.page-home {
  --home-gutter: clamp(18px, 4vw, 40px);
  --home-pad: clamp(56px, 8vw, 104px);
  background: var(--cool);
  color: var(--ink);
  overflow-x: hidden;
}

.page-home .home-shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--home-gutter);
}

.page-home .media__frame {
  position: relative;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
  aspect-ratio: 16 / 9;
}

.page-home .media--4x3 { aspect-ratio: 4 / 3; }
.page-home .media--1x1 { aspect-ratio: 1 / 1; }

.page-home .media__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center top;
}

.page-home .media__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--gray);
}

/* ---------- 封面 ---------- */

.page-home .home-cover {
  position: relative;
  border-bottom: 1px solid var(--line);
  background: var(--cool);
  overflow: hidden;
}

.page-home .home-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg, rgba(22, 53, 92, .05) 0 1px, transparent 1px 26px),
    repeating-linear-gradient(-45deg, rgba(22, 53, 92, .05) 0 1px, transparent 1px 26px);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 76%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 76%);
  pointer-events: none;
}

.page-home .home-cover__inner {
  position: relative;
  z-index: 1;
  max-width: var(--shell);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-home .home-cover__aside {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 30px var(--home-gutter) 34px;
  background: linear-gradient(158deg, var(--indigo) 0%, var(--indigo-deep) 100%);
  color: #fff;
  border-left: 4px solid var(--gold);
}

.page-home .home-cover__mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold);
  color: var(--gold-light);
  font-size: 21px;
  font-weight: 900;
}

.page-home .home-cover__aside-name {
  margin: 0;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: .12em;
  color: #fff;
}

.page-home .home-cover__aside-rule {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--line-invert);
}

.page-home .home-cover__aside-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(255, 255, 255, .74);
}

.page-home .home-cover__scale {
  list-style: none;
  margin: 8px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line-invert);
  display: grid;
  gap: 10px;
}

.page-home .home-cover__scale li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, .72);
}

.page-home .home-cover__scale .mono {
  font-size: 12px;
  color: var(--gold-light);
  letter-spacing: .1em;
}

.page-home .home-cover__main {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 36px var(--home-gutter) 44px;
}

.page-home .home-cover__eyebrow {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--indigo-mid);
}

.page-home .home-cover__eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--gold);
  flex: none;
}

.page-home .home-cover__title {
  margin: 0;
  font-size: clamp(40px, 8vw, 86px);
  line-height: 1.04;
  font-weight: 900;
  letter-spacing: -.035em;
  color: var(--indigo);
}

.page-home .home-cover__title em {
  display: inline-block;
  margin-top: .12em;
  font-style: normal;
  background: var(--gold);
  color: var(--indigo-deep);
  padding: 0 .14em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

.page-home .home-cover__lead {
  margin: 0;
  max-width: 40em;
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.85;
  color: var(--ink);
}

.page-home .home-cover__shot {
  margin: 4px 0 0;
}

.page-home .home-cover__shot .media__frame {
  border-color: var(--line-strong);
}

.page-home .home-cover__shot .media__frame::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 54px;
  height: 54px;
  border-left: 1px solid var(--gold);
  border-bottom: 1px solid var(--gold);
  pointer-events: none;
}

@media (min-width: 960px) {
  .page-home .home-cover__inner {
    grid-template-columns: 380px minmax(0, 1fr);
    padding-right: var(--home-gutter);
  }

  .page-home .home-cover__aside {
    padding: 52px 36px 44px;
  }

  .page-home .home-cover__aside-name {
    writing-mode: vertical-rl;
    text-orientation: upright;
    font-size: 26px;
    letter-spacing: .3em;
    margin-top: 8px;
  }

  .page-home .home-cover__aside-rule {
    display: none;
  }

  .page-home .home-cover__scale {
    margin-top: auto;
  }

  .page-home .home-cover__main {
    padding: 68px 0 64px 56px;
  }
}

/* ---------- 坐标索引条 ---------- */

.page-home .home-coord {
  border-bottom: 1px solid var(--line);
  background: rgba(245, 247, 250, .96);
}

.page-home .home-coord__inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 12px var(--home-gutter);
  display: flex;
  align-items: center;
  gap: 14px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-home .home-coord__inner::-webkit-scrollbar { display: none; }

.page-home .home-coord__label {
  flex: none;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--gray);
}

.page-home .home-coord__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 6px;
}

.page-home .home-coord__link {
  display: inline-block;
  white-space: nowrap;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--indigo);
  text-decoration: none;
  border: 1px solid var(--line);
  background: transparent;
  transition: border-color .16s var(--ease), background-color .16s var(--ease), color .16s var(--ease);
}

.page-home .home-coord__link:hover,
.page-home .home-coord__link.is-active {
  border-color: var(--gold);
  background: var(--gold-light);
  color: var(--indigo-deep);
}

/* ---------- 通用区块头 ---------- */

.page-home .home-section {
  padding: var(--home-pad) 0;
}

.page-home .home-section--paper {
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .home-head {
  display: grid;
  gap: 12px;
  max-width: 760px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-home .home-head h2,
.page-home .home-band__title,
.page-home .home-trust__title {
  margin: 0;
  font-size: clamp(26px, 3.6vw, 44px);
  line-height: 1.14;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--indigo);
}

.page-home .home-head__lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--gray);
}

/* ---------- 版本动态带 ---------- */

.page-home .home-band {
  position: relative;
  overflow: hidden;
  padding: var(--home-pad) 0;
  background: var(--indigo-deep);
  color: #fff;
}

.page-home .home-band::after {
  content: "";
  position: absolute;
  top: -140px;
  right: -140px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: repeating-radial-gradient(circle at center, rgba(201, 150, 43, .18) 0 1px, transparent 1px 18px);
  pointer-events: none;
}

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

.page-home .home-band__eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold-light);
}

.page-home .home-band__title {
  color: #fff;
}

.page-home .home-head--invert .home-head__lead {
  color: rgba(255, 255, 255, .76);
}

.page-home .home-versions {
  list-style: none;
  margin: 0 0 36px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-invert);
  border: 1px solid var(--line-invert);
}

.page-home .home-versions__item {
  display: grid;
  gap: 8px;
  padding: 20px 18px;
  background: var(--indigo-deep);
}

.page-home .home-versions__ver {
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--gold-light);
}

.page-home .home-versions__name {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255, 255, 255, .78);
}

.page-home .home-versions__item.is-current {
  background: linear-gradient(180deg, rgba(201, 150, 43, .18), var(--indigo-deep) 92%);
}

.page-home .home-versions__item.is-current .home-versions__name {
  color: #fff;
  font-weight: 700;
}

.page-home .home-band__figure {
  margin: 0 0 32px;
}

.page-home .home-band__figure .media__frame {
  border-color: var(--line-invert-strong);
}

.page-home .home-band__figure .media__caption {
  color: rgba(255, 255, 255, .62);
}

.page-home .home-band__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  padding-top: 24px;
  border-top: 1px solid var(--line-invert);
}

.page-home .home-band__note {
  margin: 0;
  flex: 1 1 260px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .68);
}

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

/* ---------- 适配清单 ---------- */

.page-home .home-checklist {
  display: grid;
  gap: 32px;
  grid-template-columns: minmax(0, 1fr);
}

.page-home .checkgrid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .checkgrid__item {
  position: relative;
  background: var(--paper);
  padding: 20px 18px 22px 22px;
  transition: background-color .16s var(--ease);
}

.page-home .checkgrid__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: var(--gold);
  opacity: 0;
  transition: opacity .16s var(--ease);
}

.page-home .checkgrid__item:hover::before { opacity: 1; }

.page-home .checkgrid__num {
  display: block;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
  margin-bottom: 6px;
}

.page-home .checkgrid__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--indigo);
}

.page-home .checkgrid__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
}

.page-home .home-checklist__aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 22px;
  border-top: 1px solid var(--line-strong);
}

.page-home .home-checklist__hint {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray);
}

@media (min-width: 700px) {
  .page-home .checkgrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-home .home-checklist {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

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

/* ---------- 两条查阅路径 ---------- */

.page-home .home-paths {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-home .accordion {
  border-top: 1px solid var(--line-strong);
}

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

.page-home .accordion__trigger {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 20px 4px;
  background: none;
  border: 0;
  font: inherit;
  text-align: left;
  color: var(--indigo);
  cursor: pointer;
}

.page-home .home-step__num {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gray);
}

.page-home .home-step__label {
  font-size: clamp(17px, 1.6vw, 21px);
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-home .accordion__trigger[aria-expanded="true"] .home-step__label {
  color: var(--indigo-deep);
}

.page-home .accordion__trigger[aria-expanded="true"] .home-step__num {
  color: var(--gold);
}

.page-home .accordion__icon {
  position: relative;
  width: 18px;
  height: 18px;
  flex: none;
}

.page-home .accordion__icon::before,
.page-home .accordion__icon::after {
  content: "";
  position: absolute;
  background: var(--indigo-mid);
  transition: transform .16s var(--ease), background-color .16s var(--ease);
}

.page-home .accordion__icon::before {
  left: 0;
  top: 8px;
  width: 18px;
  height: 1px;
}

.page-home .accordion__icon::after {
  top: 0;
  left: 8px;
  width: 1px;
  height: 18px;
}

.page-home .accordion__trigger[aria-expanded="true"] .accordion__icon::after {
  transform: scaleY(0);
}

.page-home .accordion__trigger[aria-expanded="true"] .accordion__icon::before {
  background: var(--gold);
}

.page-home .home-step__panel {
  padding: 0 4px 24px;
}

.page-home .home-step__panel p {
  margin: 0 0 14px;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

.page-home .home-step__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-home .home-step__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

.page-home .home-step__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--gold-light);
  border: 1px solid var(--gold);
  transform: rotate(45deg);
}

.page-home .home-paths__note {
  padding: 24px 22px;
  background: var(--cool);
  border: 1px solid var(--line);
  border-left: 3px solid var(--indigo-mid);
}

.page-home .home-paths__note-title {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 800;
  color: var(--indigo);
}

.page-home .home-paths__note-text {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray);
}

.page-home .copy-btn {
  display: inline-block;
  padding: 9px 18px;
  font: inherit;
  font-size: 13px;
  color: var(--indigo);
  background: var(--paper);
  border: 1px solid var(--indigo);
  cursor: pointer;
  transition: background-color .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease);
}

.page-home .copy-btn:hover,
.page-home .copy-btn.is-copied {
  background: var(--indigo);
  color: #fff;
  border-color: var(--indigo);
}

@media (min-width: 980px) {
  .page-home .home-paths {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
}

/* ---------- 栏目坐标索引 ---------- */

.page-home .filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 26px;
}

.page-home .filter__btn {
  font: inherit;
  font-size: 13px;
  padding: 8px 18px;
  color: var(--indigo);
  background: var(--paper);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: border-color .16s var(--ease), background-color .16s var(--ease), color .16s var(--ease);
}

.page-home .filter__btn:hover {
  border-color: var(--gold);
}

.page-home .filter__btn[aria-pressed="true"],
.page-home .filter__btn.is-active {
  background: var(--indigo);
  border-color: var(--indigo);
  color: #fff;
}

.page-home .filter__count {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gray);
}

.page-home .home-dir {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .home-dir__item {
  background: var(--paper);
}

.page-home .home-dir__item.is-hidden {
  display: none;
}

.page-home .home-dir__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 4px 16px;
  padding: 20px 20px 22px;
  text-decoration: none;
  color: inherit;
  border-left: 3px solid transparent;
  transition: border-color .16s var(--ease), background-color .16s var(--ease);
}

.page-home .home-dir__link:hover {
  border-left-color: var(--gold);
  background: var(--cool);
}

.page-home .home-dir__coord {
  grid-row: 1 / span 2;
  align-self: start;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cinnabar);
  padding-top: 3px;
}

.page-home .home-dir__name {
  font-size: 17px;
  font-weight: 800;
  color: var(--indigo);
}

.page-home .home-dir__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

@media (min-width: 720px) {
  .page-home .home-dir {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

/* ---------- 平台概况 ---------- */

.page-home .home-trust {
  padding: var(--home-pad) 0;
  background: var(--indigo);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.page-home .home-trust::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light) 45%, transparent 90%);
}

.page-home .home-trust__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

.page-home .home-trust__eyebrow {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold-light);
}

.page-home .home-trust__title {
  margin: 0 0 16px;
  color: #fff;
}

.page-home .home-trust__text {
  margin: 0 0 24px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .78);
}

.page-home .home-trust__figure {
  margin: 0;
  max-width: 260px;
}

.page-home .home-trust__figure .media__frame {
  border-color: var(--line-invert-strong);
}

.page-home .home-stats {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-invert);
  border: 1px solid var(--line-invert);
}

.page-home .home-stats__row {
  background: var(--indigo);
  padding: 16px 18px;
  display: grid;
  gap: 6px;
}

.page-home .home-stats__row dt {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold-light);
}

.page-home .home-stats__row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .86);
}

.page-home .home-stats__num {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-right: 4px;
}

.page-home .home-stats__row--legal dd {
  font-size: 13px;
  color: rgba(255, 255, 255, .7);
}

@media (min-width: 760px) {
  .page-home .home-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-home .home-trust__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
    gap: 64px;
    align-items: start;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}