.page-home {
  --home-line-soft: rgba(14, 107, 214, .14);
  --home-band: #F5F9FF;
  display: block;
  background: var(--snow);
  color: var(--ink);
  font-family: var(--font-text);
  overflow-x: hidden;
}

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

.page-home .collage__bg,
.page-home .update-item--featured img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
}

/* ---------- 首屏 ---------- */

.page-home .home-hero {
  position: relative;
  padding: 30px 0 56px;
  background:
    radial-gradient(110% 80% at 94% -12%, rgba(14, 107, 214, .14), transparent 62%),
    radial-gradient(70% 60% at -6% 100%, rgba(240, 166, 43, .12), transparent 70%),
    linear-gradient(180deg, #FFFFFF 0%, #F6FAFF 100%);
}

.page-home .home-hero__shell {
  display: grid;
  gap: 26px;
}

.page-home .home-rail {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .home-rail .eyebrow {
  margin: 0;
}

.page-home .home-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  counter-reset: railidx;
}

.page-home .home-rail__list li {
  counter-increment: railidx;
}

.page-home .home-rail__list a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  background: var(--pale);
  color: var(--deep);
  font-size: .8125rem;
  letter-spacing: .01em;
  text-decoration: none;
  white-space: nowrap;
  transition: background 180ms var(--ease-hover), color 180ms var(--ease-hover);
}

.page-home .home-rail__list a::before {
  content: "0" counter(railidx);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .6875rem;
  letter-spacing: .08em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-home .home-rail__list a:hover {
  background: var(--sky);
  color: var(--snow);
}

.page-home .home-rail__list a:hover::before {
  color: var(--sand);
}

.page-home .home-rail__line {
  display: none;
}

/* 拼贴墙 */

.page-home .home-collage {
  display: grid;
  gap: 16px;
}

.page-home .collage {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-card);
  background: var(--snow);
  border: 1px solid var(--home-line-soft);
  box-shadow: var(--shadow-card);
  transition: transform 180ms var(--ease-hover), box-shadow 180ms var(--ease-hover);
}

.page-home .collage:hover,
.page-home .collage:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}

.page-home .collage--main {
  display: flex;
  align-items: flex-end;
  min-height: 360px;
  background: var(--deep);
  border-color: transparent;
}

.page-home .collage__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-home .collage__veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(10, 46, 92, .40) 0%, rgba(10, 46, 92, .82) 58%, rgba(10, 46, 92, .96) 100%),
    linear-gradient(100deg, rgba(14, 107, 214, .34) 0%, rgba(14, 107, 214, 0) 62%);
}

.page-home .collage__body {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .collage--main .collage__body {
  padding: 28px 22px;
  gap: 14px;
}

.page-home .collage__tag {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin: 0;
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--gold-lift);
}

.page-home .collage:not(.collage--main) .collage__tag {
  color: var(--mist);
}

.page-home .collage__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 4.6vw, 2.9rem);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--snow);
}

.page-home .collage__lede {
  margin: 0;
  max-width: 44ch;
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(255, 255, 255, .86);
}

.page-home .collage__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 2px;
}

.page-home .collage__heading {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--deep);
}

.page-home .collage__heading--sm {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}

.page-home .collage__text {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-home .collage__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.1rem;
  line-height: 1;
  color: var(--sky);
  font-variant-numeric: tabular-nums;
}

.page-home .collage:not(.collage--main) .collage__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
  padding: 24px 22px;
}

.page-home .collage__link {
  margin-top: auto;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 2px;
  font-size: .875rem;
  font-weight: 700;
  color: var(--sky);
  text-decoration: none;
  border-bottom: 1px solid var(--line-sky);
  transition: color 180ms var(--ease-hover), border-color 180ms var(--ease-hover);
}

.page-home .collage__link::after {
  content: "→";
  transition: transform 180ms var(--ease-hover);
}

.page-home .collage__link:hover {
  color: var(--deep);
  border-bottom-color: var(--gold);
}

.page-home .collage__link:hover::after {
  transform: translateX(3px);
}

/* ---------- 公告栏 ---------- */

.page-home .home-notice {
  background: var(--home-band);
}

.page-home .home-notice__grid {
  display: grid;
  gap: 32px;
}

.page-home .home-notice__main .eyebrow {
  margin: 0 0 12px;
}

.page-home .home-notice__main .h2 {
  margin: 0 0 14px;
}

.page-home .home-notice__main .lede {
  margin: 0;
  max-width: 52ch;
}

.page-home .home-notice__media {
  margin: 0;
  max-width: 300px;
}

.page-home .home-notice__media figcaption {
  margin-top: 12px;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .notice-filter,
.page-home .update-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 18px;
}

.page-home .chip-filter {
  appearance: none;
  font-family: var(--font-text);
  font-size: .8125rem;
  line-height: 1;
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-sky);
  background: var(--snow);
  color: var(--mist);
  cursor: pointer;
  white-space: nowrap;
  transition: background 180ms var(--ease-hover), color 180ms var(--ease-hover), border-color 180ms var(--ease-hover);
}

.page-home .chip-filter:hover {
  border-color: var(--sky);
  color: var(--sky);
}

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

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

.page-home .notice-item {
  display: grid;
  gap: 8px;
  padding: 16px 18px;
  border-radius: var(--radius-input);
  background: var(--snow);
  border: 1px solid var(--home-line-soft);
  transition: border-color 180ms var(--ease-hover), transform 180ms var(--ease-hover);
}

.page-home .notice-item:hover {
  border-color: var(--sky);
  transform: translateY(-2px);
}

.page-home .notice-item--lead {
  border-left: 3px solid var(--saffron);
  background: linear-gradient(90deg, rgba(192, 57, 43, .06) 0%, rgba(192, 57, 43, 0) 46%), var(--snow);
}

.page-home .notice-item__head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-home .notice-item__meta {
  font-size: .8125rem;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
}

.page-home .notice-item__title {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--deep);
}

.page-home .notice-item__text {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-home .notice-more {
  margin: 20px 0 0;
}

/* ---------- 账号与设备 ---------- */

.page-home .home-device {
  background: var(--snow);
}

.page-home .home-device__panel {
  display: grid;
  gap: 24px;
  padding: 26px 22px;
  border-radius: var(--radius-card);
  border: 1px solid var(--line-sky);
  background: linear-gradient(150deg, var(--pale) 0%, #F8FBFF 52%, var(--sand) 100%);
  overflow: hidden;
}

.page-home .home-device__text .eyebrow {
  margin: 0 0 12px;
}

.page-home .home-device__text .h2 {
  margin: 0 0 12px;
}

.page-home .home-device__lede {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-home .quick-row {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .quick-row__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-input);
  background: rgba(255, 255, 255, .82);
  border: 1px solid var(--line-sky);
  transition: border-color 180ms var(--ease-hover), transform 180ms var(--ease-hover);
}

.page-home .quick-row__item:hover {
  border-color: var(--gold);
  transform: translateX(3px);
}

.page-home .quick-row__num {
  flex: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .875rem;
  letter-spacing: .06em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-home .quick-row__item a {
  color: var(--deep);
  font-size: .9375rem;
  font-weight: 700;
  line-height: 1.5;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms var(--ease-hover);
}

.page-home .quick-row__item a:hover {
  border-bottom-color: var(--sky);
}

.page-home .home-device__media {
  margin: 0;
  border-radius: var(--radius-media);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.page-home .home-device__media img {
  display: block;
  width: 100%;
}

/* ---------- 注册三步 ---------- */

.page-home .home-signup {
  background: var(--deep);
  color: var(--snow);
}

.page-home .home-signup .eyebrow {
  margin: 0 0 12px;
  color: var(--gold-lift);
}

.page-home .home-signup .h2 {
  margin: 0 0 12px;
  color: var(--snow);
}

.page-home .home-signup .lede {
  margin: 0;
  color: rgba(255, 255, 255, .78);
}

.page-home .step-row {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-home .step-card {
  padding: 26px 22px;
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .16);
  transition: background 180ms var(--ease-hover), transform 180ms var(--ease-hover);
}

.page-home .step-card:hover {
  background: rgba(255, 255, 255, .13);
  transform: translateY(-4px);
}

.page-home .step-card__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 16px;
  border-radius: 50%;
  background: var(--sand);
  color: var(--deep);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .9375rem;
  font-variant-numeric: tabular-nums;
}

.page-home .step-card .h3 {
  margin: 0 0 8px;
  color: var(--snow);
}

.page-home .step-card p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.76;
  color: rgba(255, 255, 255, .76);
}

.page-home .home-signup__note {
  margin: 26px 0 0;
  padding: 16px 18px;
  border-radius: var(--radius-input);
  border-left: 3px solid var(--gold);
  background: rgba(240, 166, 43, .13);
  font-size: .9375rem;
  line-height: 1.78;
  color: rgba(255, 255, 255, .88);
}

/* ---------- 更新索引 ---------- */

.page-home .home-updates {
  background: var(--home-band);
}

.page-home .home-updates__grid {
  display: grid;
  gap: 26px;
}

.page-home .home-updates__head .eyebrow {
  margin: 0 0 12px;
}

.page-home .home-updates__head .h2 {
  margin: 0 0 14px;
}

.page-home .home-updates__lede {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--mist);
}

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

.page-home .update-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-card);
  border: 1px solid var(--home-line-soft);
  background: var(--snow);
  box-shadow: var(--shadow-card);
  transition: transform 180ms var(--ease-hover), box-shadow 180ms var(--ease-hover);
}

.page-home .update-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}

.page-home .update-item__inner {
  display: grid;
  gap: 8px;
  padding: 18px 20px;
}

.page-home .update-item--featured {
  border-color: transparent;
  background: var(--deep);
  min-height: 210px;
}

.page-home .update-item--featured img {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: .72;
}

.page-home .update-item--featured::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(10, 46, 92, .34) 0%, rgba(10, 46, 92, .90) 100%);
}

.page-home .update-item--featured .update-item__inner {
  position: relative;
  z-index: 2;
  align-content: end;
  min-height: 210px;
  padding: 22px 20px;
}

.page-home .update-item__head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-home .update-item__meta {
  font-size: .8125rem;
  color: var(--mist);
}

.page-home .update-item--featured .update-item__meta {
  color: rgba(255, 255, 255, .74);
}

.page-home .update-item__title {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--deep);
}

.page-home .update-item--featured .update-item__title {
  color: var(--snow);
}

.page-home .update-item__text {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.76;
  color: var(--mist);
}

.page-home .update-item--featured .update-item__text {
  color: rgba(255, 255, 255, .80);
}

/* ---------- 服务与保障 ---------- */

.page-home .home-assure {
  background: var(--snow);
}

.page-home .home-assure__shell {
  display: grid;
  gap: 30px;
}

.page-home .home-assure__head .eyebrow {
  margin: 0 0 12px;
}

.page-home .home-assure__head .h2 {
  margin: 0 0 14px;
}

.page-home .home-assure__lede {
  margin: 0;
  font-size: 1rem;
  line-height: 1.82;
  color: var(--ink);
}

.page-home .home-assure__badge {
  margin: 26px 0 0;
  padding: 22px 24px;
  border-radius: var(--radius-card);
  border: 1px solid var(--line-sky);
  background: linear-gradient(140deg, var(--pale) 0%, var(--snow) 100%);
}

.page-home .home-assure__badge-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.75rem;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--deep);
  font-variant-numeric: tabular-nums;
}

.page-home .home-assure__badge-num span {
  margin-left: 3px;
  font-size: 1.125rem;
  color: var(--sky);
}

.page-home .home-assure__badge figcaption {
  margin-top: 10px;
  font-size: .875rem;
  line-height: 1.68;
  color: var(--mist);
}

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

.page-home .assure-card {
  padding: 24px 22px;
  border-radius: var(--radius-card);
  border: 1px solid var(--home-line-soft);
  border-top: 3px solid var(--sky);
  background: var(--snow);
  transition: transform 180ms var(--ease-hover), box-shadow 180ms var(--ease-hover);
}

.page-home .assure-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.page-home .assure-card__num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  line-height: 1;
  color: var(--sky);
  font-variant-numeric: tabular-nums;
}

.page-home .assure-card .h3 {
  margin: 0 0 8px;
  color: var(--deep);
}

.page-home .assure-card p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.76;
  color: var(--mist);
}

/* ---------- 底部引导 ---------- */

.page-home .home-tail {
  padding-bottom: 72px;
  background: var(--snow);
}

.page-home .home-tail__inner {
  margin: 0;
  padding: 22px 22px;
  border-radius: var(--radius-card);
  border: 1px solid var(--line-sky);
  background: var(--sand);
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-home .home-tail__inner a {
  color: var(--sky);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid var(--line-sky);
  transition: color 180ms var(--ease-hover), border-color 180ms var(--ease-hover);
}

.page-home .home-tail__inner a:hover {
  color: var(--deep);
  border-bottom-color: var(--gold);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-home .home-hero {
    padding: 44px 0 72px;
  }

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

  .page-home .collage--main {
    grid-column: 1 / -1;
    min-height: 400px;
  }

  .page-home .collage--main .collage__body {
    padding: 38px 36px;
    gap: 16px;
  }

  .page-home .notice-list {
    gap: 14px;
  }

  .page-home .home-notice__media {
    max-width: 380px;
  }

  .page-home .home-device__panel {
    padding: 34px 30px;
  }

  .page-home .step-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

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

  .page-home .home-tail__inner {
    padding: 26px 28px;
  }
}

@media (min-width: 900px) {
  .page-home .home-notice__grid {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-home .home-notice__main {
    grid-column: 2;
    grid-row: 1;
  }

  .page-home .home-notice__media {
    grid-column: 1;
    grid-row: 1;
    max-width: none;
    margin-top: 8px;
  }

  .page-home .home-device__panel {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
    gap: 40px;
    padding: 44px 42px;
  }
}

@media (min-width: 1024px) {
  .page-home .home-hero {
    padding: 52px 0 88px;
  }

  .page-home .home-hero__shell {
    grid-template-columns: 172px minmax(0, 1fr);
    gap: 46px;
    align-items: stretch;
  }

  .page-home .home-rail {
    align-self: stretch;
  }

  .page-home .home-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 11px;
  }

  .page-home .home-rail__list a {
    width: 100%;
    padding: 0 0 4px;
    border-radius: 0;
    background: transparent;
    color: var(--mist);
    border-bottom: 1px solid transparent;
  }

  .page-home .home-rail__list a:hover {
    background: transparent;
    color: var(--sky);
    border-bottom-color: var(--gold);
  }

  .page-home .home-rail__list a:hover::before {
    color: var(--sky);
  }

  .page-home .home-rail__line {
    display: block;
    flex: 1 1 auto;
    width: 2px;
    min-height: 90px;
    margin: 8px 0 0 5px;
    border-radius: 2px;
    background: linear-gradient(180deg, rgba(14, 107, 214, .55) 0%, rgba(14, 107, 214, .05) 100%);
  }

  .page-home .home-collage {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 20px;
  }

  .page-home .collage--main {
    grid-column: 1 / 8;
    grid-row: 1 / 3;
    min-height: 470px;
  }

  .page-home .collage--main .collage__body {
    padding: 46px 42px;
    gap: 18px;
  }

  .page-home .collage--notice {
    grid-column: 8 / 13;
    grid-row: 1 / 2;
  }

  .page-home .collage--download {
    grid-column: 8 / 11;
    grid-row: 2 / 3;
  }

  .page-home .collage--help {
    grid-column: 11 / 13;
    grid-row: 2 / 3;
  }

  .page-home .home-updates__grid {
    grid-template-columns: minmax(0, 330px) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-home .home-updates__head {
    position: sticky;
    top: 108px;
  }

  .page-home .update-item--featured,
  .page-home .update-item--featured .update-item__inner {
    min-height: 250px;
  }

  .page-home .home-assure__shell {
    grid-template-columns: minmax(0, 370px) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
}

@media (min-width: 1280px) {
  .page-home .home-hero__shell {
    grid-template-columns: 186px minmax(0, 1fr);
    gap: 54px;
  }

  .page-home .collage--main .collage__body {
    padding: 52px 48px;
  }

  .page-home .collage__title {
    font-size: 3.05rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .collage:hover,
  .page-home .collage:focus-within,
  .page-home .notice-item:hover,
  .page-home .update-item:hover,
  .page-home .assure-card:hover,
  .page-home .step-card:hover,
  .page-home .quick-row__item:hover {
    transform: none;
  }

  .page-home .collage__link:hover::after {
    transform: none;
  }
}
<<<END>>>