.page-home {
  --home-rule: rgba(17, 20, 24, .16);
  --home-line: rgba(247, 243, 234, .16);
  --home-paper-deep: #EDE6D6;
  --home-shadow: 5px 5px 0 rgba(11, 31, 58, .12);
  background: var(--paper);
  color: var(--black);
  font-family: var(--font-cn);
  overflow-x: hidden;
}

.page-home .wrap {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  padding: 36px 0 52px;
  background:
    radial-gradient(circle at 84% 8%, rgba(212, 175, 55, .18), transparent 58%),
    radial-gradient(circle at 10% 92%, rgba(159, 199, 201, .12), transparent 52%),
    var(--ink);
  color: var(--paper);
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 72% 50%;
  opacity: .16;
  pointer-events: none;
}

.page-home .hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-home .hero__rail {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 14px;
  color: var(--snow);
}

.page-home .hero__vertical {
  margin: 0;
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--snow);
}

.page-home .hero__anchor {
  display: none;
  width: 20px;
  height: 46px;
  color: var(--gold);
}

.page-home .hero__main {
  position: relative;
  min-width: 0;
}

.page-home .hero .breadcrumb {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: rgba(247, 243, 234, .6);
}

.page-home .hero .breadcrumb__current,
.page-home .hero .breadcrumb__sep,
.page-home .hero .breadcrumb__link {
  color: inherit;
}

.page-home .hero .breadcrumb__link {
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 175, 55, .6);
  color: var(--gold);
}

.page-home .hero__title {
  margin: 16px 0 0;
  font-size: clamp(34px, 8.6vw, 66px);
  line-height: 1.08;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--white);
}

.page-home .hero__title em {
  font-style: normal;
  color: var(--gold);
  display: inline-block;
  margin-top: .08em;
}

.page-home .hero__lead {
  max-width: 60ch;
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(247, 243, 234, .78);
}

.page-home .index {
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px solid var(--home-line);
}

.page-home .index__head {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--gold);
}

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

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

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

.page-home .index__link {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 2px 12px;
  padding: 14px 4px 14px 0;
  text-decoration: none;
  color: inherit;
  transition: transform .2s ease, background-color .2s ease;
}

.page-home .index__link:hover,
.page-home .index__link:focus-visible {
  transform: translateX(4px);
  background: rgba(212, 175, 55, .08);
}

.page-home .index__no {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--gold);
  padding-top: 3px;
}

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

.page-home .index__desc {
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(247, 243, 234, .58);
}

/* ---------- 三步路径 ---------- */
.page-home .path {
  position: relative;
  padding: 52px 0 56px;
  background: var(--paper);
}

.page-home .path::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, rgba(11, 31, 58, .07) 1px, transparent 1px);
  background-size: 68px 100%;
  pointer-events: none;
}

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

.page-home .section-head {
  max-width: 62ch;
}

.page-home .coord {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--ochre);
}

.page-home .coord--light {
  color: var(--gold);
}

.page-home .section-head__title {
  margin: 0;
  font-size: clamp(25px, 5.4vw, 42px);
  line-height: 1.2;
  letter-spacing: -.01em;
  font-weight: 900;
  color: var(--ink);
}

.page-home .section-head__lead {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: #414b5a;
}

.page-home .path__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 28px;
}

.page-home .path__acc {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.page-home .path__step {
  margin: 0;
  font-size: 1em;
  font-weight: inherit;
}

.page-home .path__acc .accordion__trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 15px 16px;
  background: var(--white);
  border: 1px solid var(--home-rule);
  box-shadow: var(--home-shadow);
  font-family: inherit;
  font-size: 16px;
  font-weight: 800;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: border-color .2s ease, transform .2s ease;
}

.page-home .path__acc .accordion__trigger:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-home .path__acc .accordion__trigger[aria-expanded="true"] {
  border-color: var(--gold);
  background: linear-gradient(90deg, rgba(212, 175, 55, .16), transparent 62%), var(--white);
}

.page-home .path__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  letter-spacing: .04em;
  color: var(--gold-deep);
}

.page-home .path__title {
  flex: 1 1 auto;
}

.page-home .path__acc .accordion__panel {
  padding: 12px 16px 14px 52px;
  background: var(--white);
  border: 1px solid var(--home-rule);
  border-top: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #3d4655;
}

.page-home .path__acc .accordion__panel p {
  margin: 0;
}

.page-home .path__media {
  margin: 0;
  align-self: start;
}

.page-home .media-frame {
  display: block;
  border: 1px solid var(--home-rule);
  box-shadow: var(--home-shadow);
  background: var(--white);
  overflow: hidden;
}

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

.page-home .media-frame__caption {
  display: block;
  padding: 10px 14px;
  border-top: 1px solid var(--home-rule);
  font-size: 12px;
  line-height: 1.6;
  color: var(--dust);
  background: var(--paper);
}

/* ---------- 能力索引 ---------- */
.page-home .caps {
  position: relative;
  padding: 52px 0 60px;
  background:
    radial-gradient(circle at 12% 4%, rgba(159, 199, 201, .14), transparent 46%),
    var(--ink);
  color: var(--paper);
}

.page-home .caps .section-head__title {
  color: var(--white);
}

.page-home .caps .section-head__lead {
  color: rgba(247, 243, 234, .72);
}

.page-home .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.page-home .filter-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  padding: 8px 15px;
  background: transparent;
  color: rgba(247, 243, 234, .72);
  border: 1px solid rgba(247, 243, 234, .28);
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

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

.page-home .filter-btn[aria-pressed="true"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
  font-weight: 700;
}

.page-home .cap-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-home .cap {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 20px 18px 18px;
  background: var(--ink-2);
  border: 1px solid rgba(247, 243, 234, .14);
  border-left: 3px solid var(--gold);
  transition: transform .2s ease, border-color .2s ease;
}

.page-home .cap:hover {
  transform: translateY(-2px);
  border-color: rgba(212, 175, 55, .6);
  border-left-color: var(--gold);
}

.page-home .cap__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--snow);
}

.page-home .cap__title {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--white);
}

.page-home .cap__body {
  margin: 0;
  flex: 1 1 auto;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(247, 243, 234, .72);
}

.page-home .cap .link-arrow {
  align-self: flex-start;
  font-size: 13px;
  font-weight: 700;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 175, 55, .45);
}

.page-home .cap .link-arrow:hover {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* ---------- 本月更新 ---------- */
.page-home .monthly {
  padding: 52px 0 56px;
  background: var(--paper);
}

.page-home .monthly__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

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

.page-home .updates {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid var(--home-rule);
}

.page-home .updates__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 15px 0;
  border-bottom: 1px solid var(--home-rule);
}

.page-home .tag {
  justify-self: start;
  display: inline-block;
  padding: 4px 10px;
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: .06em;
  border: 1px solid currentColor;
}

.page-home .tag--gold {
  color: var(--gold-deep);
  background: rgba(212, 175, 55, .14);
}

.page-home .updates__row p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: #3d4655;
}

.page-home .monthly__text .btn {
  margin-top: 24px;
}

.page-home .btn {
  display: inline-block;
  padding: 12px 22px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.page-home .btn--outline {
  color: var(--ink);
  border-color: var(--ink);
  background: transparent;
}

.page-home .btn--outline:hover {
  background: var(--ink);
  color: var(--paper);
}

.page-home .btn--gold {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
}

.page-home .btn--gold:hover {
  background: var(--gold-deep);
  border-color: var(--gold-deep);
  color: var(--white);
}

.page-home .btn--onDark {
  color: var(--paper);
  border-color: rgba(247, 243, 234, .5);
  background: transparent;
}

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

.page-home .monthly__media {
  margin: 0;
  align-self: start;
}

/* ---------- 跨设备 ---------- */
.page-home .devices {
  padding: 48px 0 54px;
  background: var(--home-paper-deep);
  border-top: 1px solid var(--home-rule);
  border-bottom: 1px solid var(--home-rule);
}

.page-home .devices__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 26px;
}

.page-home .device-card {
  padding: 20px 18px;
  background: var(--paper);
  border: 1px solid var(--home-rule);
  box-shadow: var(--home-shadow);
}

.page-home .device-card__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--ochre);
}

.page-home .device-card__order {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 15px;
  font-weight: 800;
  color: var(--ink);
}

.page-home .device-card__order span {
  padding: 4px 8px;
  background: rgba(11, 31, 58, .06);
}

.page-home .device-card__order .device-card__arrow {
  padding: 0;
  background: none;
  font-family: var(--font-mono);
  color: var(--gold-deep);
}

.page-home .device-card__note {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: #4a5361;
}

.page-home .devices__tail {
  max-width: 66ch;
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--snow-ink);
  font-size: 14px;
  line-height: 1.8;
  color: #414b5a;
}

/* ---------- 联系 ---------- */
.page-home .reach {
  position: relative;
  overflow: hidden;
  padding: 52px 0 58px;
  background: var(--ink);
  color: var(--paper);
}

.page-home .reach__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
  pointer-events: none;
}

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

.page-home .reach__title {
  margin: 0;
  font-size: clamp(24px, 5.2vw, 40px);
  line-height: 1.22;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-home .reach__lead {
  max-width: 60ch;
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 243, 234, .76);
}

.page-home .reach__rows {
  margin-top: 26px;
  border-top: 1px solid var(--home-line);
}

.page-home .reach__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--home-line);
}

.page-home .reach__label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--snow);
}

.page-home .reach__value {
  flex: 1 1 14ch;
  min-width: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-home .copy-btn {
  flex: none;
  padding: 6px 14px;
  font-family: var(--font-cn);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold);
  background: transparent;
  border: 1px solid rgba(212, 175, 55, .55);
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease;
}

.page-home .copy-btn:hover {
  background: var(--gold);
  color: var(--ink);
}

.page-home .copy-btn[data-copied="true"] {
  background: var(--snow);
  border-color: var(--snow);
  color: var(--ink);
}

.page-home .reach__note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: rgba(247, 243, 234, .62);
}

.page-home .reach__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-home .cap-list {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-home .updates__row {
    grid-template-columns: 108px 1fr;
    gap: 14px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-home .hero {
    padding: 52px 0 68px;
  }

  .page-home .hero__grid {
    grid-template-columns: minmax(96px, 128px) 1fr;
    gap: 40px;
    align-items: start;
  }

  .page-home .hero__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
    padding-top: 6px;
  }

  .page-home .hero__vertical {
    writing-mode: vertical-rl;
    letter-spacing: .4em;
    font-size: 12px;
  }

  .page-home .hero__anchor {
    display: block;
  }

  .page-home .hero__lead {
    font-size: 16px;
  }

  .page-home .path__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 32px;
  }

  .page-home .monthly__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 36px;
    align-items: start;
  }

  .page-home .reach__rows {
    max-width: 720px;
  }
}

@media (min-width: 1080px) {
  .page-home .cap-list {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-home .cap {
    padding: 22px 20px 20px;
  }

  .page-home .section-head__lead {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .index__link,
  .page-home .cap,
  .page-home .path__acc .accordion__trigger,
  .page-home .btn,
  .page-home .copy-btn {
    transition: none;
  }

  .page-home .index__link:hover,
  .page-home .cap:hover,
  .page-home .path__acc .accordion__trigger:hover {
    transform: none;
  }
}