/* ============ 首页 page-home ============ */
.page-home {
  --home-edge: clamp(16px, 3.2vw, 40px);
}

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

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(36px, 7vw, 76px)) 0 clamp(44px, 6vw, 72px);
  background:
    radial-gradient(120% 90% at 92% 2%, rgba(139, 92, 255, .30), transparent 60%),
    radial-gradient(90% 80% at 4% 96%, rgba(51, 230, 255, .14), transparent 62%),
    var(--bg);
}

.page-home .hero__cut {
  position: absolute;
  z-index: -1;
  top: 0;
  right: 0;
  width: min(74%, 980px);
  height: 100%;
  background: linear-gradient(158deg, rgba(51, 230, 255, .16), rgba(139, 92, 255, .26));
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 100%);
}

.page-home .hero__gridlines {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: clamp(52px, 7vw, 92px) clamp(52px, 7vw, 92px);
  opacity: .22;
  -webkit-mask-image: radial-gradient(78% 78% at 46% 42%, #000, transparent 82%);
  mask-image: radial-gradient(78% 78% at 46% 42%, #000, transparent 82%);
}

.page-home .hero__media {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .22;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 76%);
}

.page-home .hero__inner {
  position: relative;
}

.page-home .hero .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-home .hero .eyebrow {
  display: block;
  margin-bottom: 14px;
}

.page-home .hero__title {
  margin: 0;
  font-size: clamp(2.05rem, 8.4vw, 4.6rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-home .hero__title-mark {
  color: var(--cyan);
}

.page-home .hero__title-sub {
  display: block;
  margin-top: .38em;
  font-size: clamp(1rem, 3.4vw, 1.6rem);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: .05em;
  color: var(--muted);
}

.page-home .hero__lead {
  max-width: 62ch;
  margin: clamp(18px, 3vw, 28px) 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 2.5vw, 1.08rem);
  line-height: 1.78;
}

.page-home .hero__actions {
  margin-top: clamp(20px, 3vw, 30px);
}

.page-home .hero__signal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-home .hero__cards {
  display: grid;
  gap: 14px;
  margin-top: clamp(30px, 5vw, 52px);
}

.page-home .hero-card {
  display: block;
  padding: clamp(16px, 2.2vw, 22px);
  background: linear-gradient(150deg, rgba(30, 41, 84, .9), rgba(20, 27, 58, .74));
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  border-radius: var(--radius);
  color: var(--ink);
  text-decoration: none;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: transform .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease);
}

.page-home .hero-card:hover,
.page-home .hero-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow: 0 22px 44px -24px rgba(51, 230, 255, .6);
}

.page-home .hero-card__key {
  display: block;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--violet);
}

.page-home .hero-card__title {
  display: block;
  margin: .5em 0 .38em;
  font-size: clamp(1.05rem, 2.6vw, 1.22rem);
  font-weight: 800;
  letter-spacing: .02em;
}

.page-home .hero-card__text {
  display: block;
  color: var(--muted);
  font-size: .94rem;
  line-height: 1.72;
}

.page-home .hero-card__go {
  display: inline-block;
  margin-top: .95em;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-home .hero__toc {
  position: relative;
  margin-top: clamp(32px, 5vw, 56px);
  padding-top: clamp(16px, 2.4vw, 24px);
  border-top: 1px solid var(--line);
}

.page-home .hero__toc .toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .22em;
  color: var(--muted);
}

.page-home .hero__toc .toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .hero__toc .toc__link {
  display: inline-block;
  padding-bottom: 3px;
  color: var(--muted);
  font-size: .92rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .hero__toc .toc__link:hover,
.page-home .hero__toc .toc__link[data-current="true"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 任务面板 ---------- */
.page-home .task-layout {
  display: grid;
  gap: var(--gap);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-home .task-side {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-home .task-figure {
  margin: 0;
}

.page-home .tabs {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}

.page-home .tabs__list {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
}

.page-home .tabs__btn {
  flex: 1 1 auto;
  appearance: none;
  padding: 14px 16px;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: .9rem;
  letter-spacing: .04em;
  white-space: nowrap;
  cursor: pointer;
  transition: color .2s var(--ease), background-color .2s var(--ease);
}

.page-home .tabs__btn:last-child {
  border-right: 0;
}

.page-home .tabs__btn:hover {
  color: var(--cyan);
}

.page-home .tabs__btn[aria-selected="true"] {
  color: var(--ink);
  background: var(--card);
  box-shadow: inset 0 -2px 0 var(--orange);
}

.page-home .tabs__btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}

.page-home .tabs__panel {
  padding: clamp(20px, 2.6vw, 32px);
}

.page-home .tabs__panel[hidden] {
  display: none;
}

.page-home .task-text {
  max-width: 60ch;
  margin: 0 0 18px;
  color: var(--ink);
  line-height: 1.78;
}

.page-home .task-list {
  display: grid;
  gap: 10px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-home .task-list li {
  position: relative;
  padding-left: 22px;
  color: var(--muted);
  font-size: .94rem;
  line-height: 1.72;
}

.page-home .task-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 10px;
  height: 1px;
  background: var(--cyan);
}

.page-home .task-link {
  display: inline-block;
  padding-bottom: 3px;
  color: var(--cyan);
  font-size: .9rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(51, 230, 255, .42);
  transition: border-color .2s var(--ease);
}

.page-home .task-link:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 记录归档 ---------- */
.page-home .records-panel {
  position: relative;
  overflow: hidden;
}

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

.page-home .records-copy .eyebrow {
  display: block;
  margin-bottom: 12px;
}

.page-home .records-copy h2 {
  margin: 0 0 .6em;
  font-size: clamp(1.5rem, 4.6vw, 2.35rem);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: .02em;
}

.page-home .records-copy p {
  max-width: 58ch;
  margin: 0 0 22px;
  color: var(--muted);
  line-height: 1.78;
}

.page-home .records-figure {
  margin: 0;
}

.page-home .records-axes {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-home .axis-card {
  padding: 18px;
  background: rgba(11, 16, 38, .55);
  border: 1px solid var(--line);
  border-top: 2px solid var(--violet);
  border-radius: var(--radius);
}

.page-home .axis-card__num {
  display: block;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--violet);
}

.page-home .axis-card__title {
  margin: .6em 0 .35em;
  font-size: 1.04rem;
  font-weight: 700;
  letter-spacing: .02em;
}

.page-home .axis-card__text {
  margin: 0;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.72;
}

/* ---------- 版本与安卓 ---------- */
.page-home .updates-grid {
  margin-top: clamp(20px, 3vw, 32px);
}

.page-home .update-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-home .update-card .eyebrow {
  display: block;
}

.page-home .update-card h3 {
  margin: 0;
  font-size: clamp(1.2rem, 3.2vw, 1.5rem);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: .02em;
}

.page-home .update-card > p {
  margin: 0;
  color: var(--muted);
  line-height: 1.78;
}

.page-home .update-figure {
  margin: 0;
}

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

.page-home .update-list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.7;
}

.page-home .update-list .num {
  flex: none;
  min-width: 2.6em;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--cyan);
}

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

.page-home .update-steps li {
  position: relative;
  padding-left: 40px;
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.68;
}

.page-home .update-steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .12em;
  display: grid;
  place-items: center;
  width: 28px;
  height: 22px;
  background: var(--cyan);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .04em;
}

.page-home .update-card .btn {
  align-self: flex-start;
  margin-top: auto;
}

/* ---------- 服务与支持 ---------- */
.page-home .trust-grid {
  display: grid;
  gap: var(--gap);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-home .trust-copy p {
  max-width: 62ch;
  margin: 0;
  color: var(--muted);
  line-height: 1.78;
}

.page-home .stat-strip {
  display: grid;
  gap: 1px;
  margin-top: 24px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-home .stat {
  padding: 16px 18px;
  background: var(--panel);
}

.page-home .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 4.2vw, 1.85rem);
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-home .stat-label {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: .84rem;
  line-height: 1.62;
}

.page-home .trust-contact {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-home .trust-contact h3 {
  margin: 0;
  font-size: 1.16rem;
  font-weight: 800;
  letter-spacing: .02em;
}

.page-home .trust-rows {
  display: grid;
  gap: 14px;
}

.page-home .trust-row {
  display: grid;
  gap: 5px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-home .trust-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-home .trust-key {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-home .trust-val {
  color: var(--ink);
  font-size: .96rem;
  line-height: 1.66;
  word-break: break-word;
}

.page-home .trust-note {
  margin: 0;
  color: var(--muted);
  font-size: .86rem;
  line-height: 1.7;
}

.page-home .trust-legal {
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-home .stat-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-home .records-axes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .hero__media {
    left: auto;
    right: 0;
    width: min(62%, 880px);
    opacity: .5;
    -webkit-mask-image: linear-gradient(to left, #000 32%, transparent 100%);
    mask-image: linear-gradient(to left, #000 32%, transparent 100%);
  }

  .page-home .hero__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }

  .page-home .hero__cards {
    margin-top: clamp(12px, 3vw, 44px);
  }

  .page-home .hero-card:nth-child(2) {
    margin-left: 28px;
  }

  .page-home .hero-card:nth-child(3) {
    margin-left: 56px;
  }

  .page-home .records-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
  }

  .page-home .trust-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-home .task-layout {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .85fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-home .hero__cards {
    padding-right: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-card,
  .page-home .tabs__btn,
  .page-home .task-link,
  .page-home .hero__toc .toc__link {
    transition: none;
  }
}