.page-home {
  --home-gap: clamp(16px, 3vw, 28px);
  --home-sec-y: clamp(48px, 7vw, 84px);
  --home-inline: clamp(16px, 3.5vw, 36px);
  background: var(--ink-0);
  color: var(--white);
  overflow-x: clip;
}

.page-home__crumb {
  padding: 20px 0 6px;
}

/* ---------- 首屏 ---------- */
.page-home__hero {
  position: relative;
  isolation: isolate;
  padding: 20px 0 clamp(36px, 6vw, 64px);
}

.page-home__hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  z-index: -2;
  border-radius: var(--radius-l);
}

.page-home__hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  border-radius: var(--radius-l);
  background:
    radial-gradient(60% 52% at 16% 8%, rgba(47, 240, 214, 0.14), transparent 72%),
    radial-gradient(48% 42% at 92% 80%, rgba(255, 122, 47, 0.1), transparent 72%),
    linear-gradient(180deg, rgba(5, 10, 22, 0.25), rgba(5, 10, 22, 0.95) 88%);
}

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

.page-home__title {
  margin: 14px 0 0;
  font-size: clamp(34px, 8vw, 76px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--white);
}

.page-home__title span {
  color: var(--cyan);
  display: inline-block;
}

.page-home__lede {
  margin: 18px 0 0;
  max-width: 30em;
  font-size: clamp(16px, 2.1vw, 18px);
  line-height: 1.85;
  color: var(--mist);
}

.page-home__vert {
  display: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--mist);
  writing-mode: vertical-rl;
  opacity: 0.6;
  white-space: nowrap;
}

/* 快速通道胶囊 */
.page-home__lanes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-home__lane {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 100%;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(47, 240, 214, 0.42);
  background: rgba(12, 42, 46, 0.5);
  color: var(--white);
  font-size: 15px;
  text-decoration: none;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease),
    border-color 0.2s var(--ease);
}

.page-home__lane:hover,
.page-home__lane:focus-visible {
  transform: translateY(-2px);
  background: rgba(12, 42, 46, 0.9);
  border-color: var(--cyan);
}

.page-home__lane-path {
  font-size: 11px;
  color: var(--cyan);
  opacity: 0.35;
  transition: opacity 0.2s var(--ease);
}

.page-home__lane:hover .page-home__lane-path,
.page-home__lane:focus-visible .page-home__lane-path {
  opacity: 1;
}

.page-home__lane--primary {
  background: linear-gradient(120deg, var(--orange), #ff9a5c);
  border-color: transparent;
  color: #150703;
  font-weight: 700;
}

.page-home__lane--primary .page-home__lane-path {
  color: #3a1400;
  opacity: 0.55;
}

.page-home__lane--primary:hover .page-home__lane-path,
.page-home__lane--primary:focus-visible .page-home__lane-path {
  opacity: 0.95;
}

/* 状态面板 */
.page-home__panel {
  position: relative;
  overflow: hidden;
  margin-top: 6px;
  padding: 20px;
  border-radius: var(--radius-l);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(16, 31, 60, 0.94), rgba(10, 20, 40, 0.96));
  box-shadow: 0 26px 64px -34px rgba(47, 240, 214, 0.4);
}

.page-home__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(47, 240, 214, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 240, 214, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 82%);
  mask-image: linear-gradient(180deg, #000, transparent 82%);
}

.page-home__panel-top {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-home__panel-note {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-home__stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 12px;
  margin: 20px 0 0;
  padding: 0;
}

.page-home__stat dt {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-home__stat dd {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 6px 0 0;
  font-size: 15px;
  color: var(--white);
}

.page-home__stat dd.page-home__stat-ver {
  font-size: 19px;
  color: var(--orange);
  letter-spacing: 0.02em;
}

.page-home__dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(47, 240, 214, 0.16);
  animation: home-pulse 3.6s var(--ease) infinite;
}

@keyframes home-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(47, 240, 214, 0.16); }
  50% { box-shadow: 0 0 0 8px rgba(47, 240, 214, 0.04); }
}

.page-home__log {
  position: relative;
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-home__log summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  cursor: pointer;
  font-size: 13px;
  color: var(--cyan);
  list-style: none;
}

.page-home__log summary::-webkit-details-marker {
  display: none;
}

.page-home__log summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 14px;
}

.page-home__log[open] summary::after {
  content: "−";
}

.page-home__log ul {
  margin: 12px 0 0;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 通用章节 ---------- */
.page-home__sec {
  padding: var(--home-sec-y) 0;
}

.page-home__sec--tint {
  padding: var(--home-sec-y) var(--home-inline);
  border-radius: var(--radius-l);
  background: radial-gradient(120% 90% at 8% 0%, rgba(16, 31, 60, 0.92), rgba(5, 10, 22, 0) 72%);
}

.page-home__sec-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-home__sec-title {
  margin: 0;
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-home__sec-lede {
  margin: 0;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 三层结构 ---------- */
.page-home__layers-grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-home__layer-list {
  display: grid;
}

.page-home__layer {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line-soft);
}

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

.page-home__layer-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-top: 5px;
}

.page-home__layer h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}

.page-home__layer p {
  grid-column: 2;
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-home__layer-fig {
  margin: 0;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-home__layer-fig img,
.page-home__swap-fig img,
.page-home__archive-banner img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 三步指引 ---------- */
.page-home__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: home-step;
}

.page-home__step {
  position: relative;
  padding: 22px 20px 24px;
  border-radius: var(--radius-m);
  border: 1px solid var(--line-soft);
  background: linear-gradient(165deg, rgba(16, 31, 60, 0.9), rgba(10, 20, 40, 0.62));
}

.page-home__step::before {
  counter-increment: home-step;
  content: "0" counter(home-step);
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-home__step h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-home__step p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-home__step-meta {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

/* ---------- 换设备 ---------- */
.page-home__swap {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-home__swap-fig {
  margin: 0;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-home__swap-copy p {
  margin: 16px 0 0;
  max-width: 32em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-home__swap-copy a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 240, 214, 0.35);
}

.page-home__swap-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-home__swap-flow li {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(47, 240, 214, 0.35);
  background: rgba(12, 42, 46, 0.45);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-home__inline-btn {
  margin-top: 24px;
  text-decoration: none;
}

/* ---------- 归档 ---------- */
.page-home__archive-banner {
  margin: 0 0 clamp(24px, 4vw, 36px);
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-home__archive-body p {
  margin: 0 0 16px;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-home__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-home__tags li {
  padding: 6px 14px;
  border-radius: var(--radius-s);
  border: 1px solid var(--line-soft);
  font-size: 13px;
  color: var(--mist);
}

/* ---------- 更新与协助 ---------- */
.page-home__assist {
  display: grid;
  gap: 18px;
}

.page-home__assist-col {
  padding: 24px 22px;
  border-radius: var(--radius-l);
  border: 1px solid var(--line-soft);
  background: linear-gradient(170deg, rgba(16, 31, 60, 0.78), rgba(5, 10, 22, 0.4));
}

.page-home__assist-col h3 {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  color: var(--white);
}

.page-home__assist-col p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-home__textlink {
  display: inline-block;
  margin-top: 16px;
  font-size: 14.5px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 240, 214, 0.4);
  padding-bottom: 2px;
  transition: border-color 0.2s var(--ease);
}

.page-home__textlink:hover,
.page-home__textlink:focus-visible {
  border-color: var(--cyan);
}

.page-home__after {
  margin: 24px 0 0;
  max-width: 46em;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--mist);
}

.page-home__after a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 240, 214, 0.35);
}

/* ---------- 收束 ---------- */
.page-home__closing {
  padding: clamp(36px, 6vw, 64px) 0 clamp(48px, 8vw, 88px);
}

.page-home__closing-inner {
  padding: clamp(28px, 5vw, 48px);
  border-radius: var(--radius-l);
  border: 1px solid var(--line);
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(47, 240, 214, 0.12), transparent 68%),
    linear-gradient(150deg, rgba(16, 31, 60, 0.9), rgba(10, 20, 40, 0.85));
}

.page-home__closing-inner h2 {
  margin: 0;
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--white);
}

.page-home__closing-inner p {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

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

.page-home__closing-actions .btn {
  text-decoration: none;
}

/* ---------- 响应式 ---------- */
@media (max-width: 480px) {
  .page-home__lane-path {
    display: none;
  }

  .page-home__archive-banner {
    aspect-ratio: 16 / 10;
  }
}

@media (min-width: 780px) {
  .page-home__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-home__assist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 900px) {
  .page-home__layers-grid {
    grid-template-columns: minmax(0, 6.5fr) minmax(0, 5.5fr);
    align-items: start;
  }

  .page-home__swap {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-home__hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr) 42px;
    align-items: start;
    gap: 36px;
  }

  .page-home__hero-copy {
    grid-column: 1;
  }

  .page-home__panel {
    grid-column: 2;
    margin-top: 8px;
  }

  .page-home__vert {
    display: block;
    grid-column: 3;
    justify-self: end;
    margin-top: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home__dot {
    animation: none;
  }

  .page-home__lane,
  .page-home__lane-path,
  .page-home__textlink {
    transition: none;
  }

  .page-home__lane:hover,
  .page-home__lane:focus-visible {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>