.page-home {
  --ph-pad: clamp(18px, 4vw, 34px);
  --ph-gap: clamp(16px, 2.6vw, 26px);
  --ph-radius-cut: 18px;
  background: var(--deep);
  color: var(--ice);
  overflow-x: hidden;
  font-family: var(--font-sans);
}

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

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

.page-home .prose {
  margin: 0;
  color: var(--mist);
  line-height: 1.85;
  max-width: 34em;
}

/* ---------- HERO ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  padding: clamp(30px, 6vw, 60px) 0 0;
  background:
    radial-gradient(120% 90% at 85% 0%, rgba(53, 230, 208, 0.12), transparent 60%),
    linear-gradient(160deg, var(--deep) 0%, var(--night) 100%);
  overflow: hidden;
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-home .hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 65% 50%;
  opacity: 0.3;
  filter: saturate(0.75) brightness(0.72);
}

.page-home .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(100deg, var(--deep) 8%, rgba(10, 22, 38, 0.82) 46%, rgba(18, 38, 61, 0.42) 100%);
  pointer-events: none;
}

.page-home .hero__trace {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

.page-home .hero__trace path {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 1.4;
  stroke-dasharray: 10 14;
  opacity: 0.24;
  animation: ph-flow 12s linear infinite;
}

@keyframes ph-flow {
  to { stroke-dashoffset: -480; }
}

.page-home .hero__shell {
  position: relative;
  padding-bottom: 0;
}

.page-home .hero__grid {
  display: grid;
  gap: var(--ph-gap);
  padding-bottom: clamp(26px, 5vw, 48px);
}

.page-home .hero__title {
  margin: 0 0 20px;
  font-size: clamp(38px, 9.4vw, 84px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: 0.04em;
  color: var(--ice);
}

.page-home .hero__title span {
  display: block;
}

.page-home .hero__title span:nth-child(2) {
  margin-left: 0.12em;
  color: var(--cyan);
}

.page-home .hero__title span:nth-child(3) {
  margin-left: 0.26em;
  color: var(--mist);
  font-weight: 800;
}

.page-home .hero__lede {
  margin: 0 0 24px;
  max-width: 30em;
  color: var(--ice);
  font-size: var(--fs-16);
  line-height: 1.8;
  opacity: 0.9;
}

.page-home .hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

.page-home .hero__idx {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num name"
    "num desc";
  gap: 2px 12px;
  padding: 10px 12px;
  border: 1px solid var(--edge);
  border-left: 2px solid var(--cyan);
  background: rgba(18, 38, 61, 0.55);
  color: var(--ice);
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: background 200ms var(--ease), border-color 200ms var(--ease);
}

.page-home .hero__idx-num {
  grid-area: num;
  align-self: center;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--cyan);
  letter-spacing: 0.1em;
}

.page-home .hero__idx-name {
  grid-area: name;
  font-size: var(--fs-16);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.page-home .hero__idx-desc {
  grid-area: desc;
  font-size: var(--fs-12);
  color: var(--mist);
  letter-spacing: 0.04em;
}

.page-home .hero__idx:hover,
.page-home .hero__idx:focus-visible {
  background: rgba(53, 230, 208, 0.12);
  border-color: var(--cyan);
}

.page-home .hero__status {
  list-style: none;
  margin: 0;
  padding: 14px 0 18px;
  display: grid;
  gap: 10px;
  border-top: 1px solid rgba(53, 230, 208, 0.4);
}

.page-home .hero__status-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  font-size: var(--fs-14);
}

.page-home .hero__status-k {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-home .hero__status-v {
  color: var(--cyan);
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ---------- 状态带 ---------- */
.page-home .status-band {
  background: linear-gradient(115deg, rgba(53, 230, 208, 0.1), rgba(255, 122, 47, 0.06));
  border-top: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
}

.page-home .status-band__grid {
  align-items: start;
  gap: var(--ph-gap);
}

.page-home .status-band__title {
  margin: 0 0 16px;
  font-size: clamp(24px, 4.4vw, 38px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: 0.02em;
  color: var(--ice);
}

.page-home .status-band__chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .status-band__chip {
  font-size: var(--fs-14);
  letter-spacing: 0.04em;
  padding: 8px 14px;
}

.page-home .status-band__chip--ok {
  background: var(--sand);
  color: var(--deep);
  border-color: var(--sand);
  font-weight: 700;
}

/* ---------- 四件事 ---------- */
.page-home .caps__head {
  margin-bottom: clamp(22px, 4vw, 36px);
}

.page-home .caps__title {
  margin: 0 0 14px;
  font-size: clamp(26px, 5vw, 44px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.page-home .caps__lede {
  margin: 0;
  max-width: 36em;
  color: var(--mist);
  line-height: 1.8;
}

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

.page-home .cap-item {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num body"
    "go go";
  gap: 12px 16px;
  padding: 24px 4px;
  border-top: 1px solid var(--edge);
}

.page-home .cap-item::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 74px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.page-home .cap-item__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: var(--fs-18);
  font-weight: 600;
  color: var(--orange);
  letter-spacing: 0.08em;
  line-height: 1.2;
}

.page-home .cap-item__body {
  grid-area: body;
}

.page-home .cap-item__title {
  margin: 0 0 8px;
  font-size: clamp(22px, 3.6vw, 32px);
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--ice);
}

.page-home .cap-item__desc {
  margin: 0 0 10px;
  max-width: 38em;
  color: var(--mist);
  font-size: var(--fs-16);
  line-height: 1.8;
}

.page-home .cap-item__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-home .cap-item__go {
  grid-area: go;
  justify-self: start;
  align-self: center;
  padding: 7px 14px;
  border: 1px solid var(--edge);
  color: var(--ice);
  font-size: var(--fs-14);
  text-decoration: none;
  letter-spacing: 0.05em;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: color 200ms var(--ease), border-color 200ms var(--ease), background 200ms var(--ease);
}

.page-home .cap-item__go:hover,
.page-home .cap-item__go:focus-visible {
  color: var(--deep);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 交锋对照 ---------- */
.page-home .clash {
  background: linear-gradient(180deg, var(--deep), var(--night));
  border-top: 1px solid var(--edge);
}

.page-home .clash__grid {
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-home .clash__title {
  margin: 0 0 16px;
  font-size: clamp(26px, 5vw, 42px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: 0.02em;
}

.page-home .clash__intro .prose {
  margin-bottom: 22px;
}

.page-home .clash__figure {
  margin: 0;
}

.page-home .clash__stack {
  position: relative;
  display: grid;
  gap: 16px;
}

.page-home .clash__panel {
  position: relative;
  padding: clamp(16px, 3vw, 24px);
  background: rgba(18, 38, 61, 0.92);
  border: 1px solid var(--edge);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--ph-radius-cut)), calc(100% - var(--ph-radius-cut)) 100%, 0 100%);
}

.page-home .clash__panel--back {
  position: absolute;
  inset: 14px -10px -14px 14px;
  opacity: 0.55;
  border-color: var(--edge);
  background: linear-gradient(115deg, rgba(53, 230, 208, 0.12), rgba(255, 122, 47, 0.07));
  z-index: 0;
}

.page-home .clash__panel:not(.clash__panel--back) {
  z-index: 1;
}

.page-home .clash__panel--second {
  z-index: 2;
}

.page-home .clash__panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 12px;
  margin-bottom: 12px;
}

.page-home .clash__panel-title {
  margin: 0;
  font-size: var(--fs-18);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ice);
}

.page-home .clash__caption {
  caption-side: top;
  text-align: left;
  font-size: var(--fs-12);
  color: var(--mist);
  padding-bottom: 8px;
  letter-spacing: 0.04em;
}

.page-home .clash__table {
  width: 100%;
}

.page-home .clash__spark {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 0 6px;
}

.page-home .clash__spark-line {
  fill: none;
  stroke: var(--orange);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-home .clash__spark-dot {
  fill: var(--cyan);
}

/* ---------- 四步 ---------- */
.page-home .steps {
  border-top: 1px solid var(--edge);
}

.page-home .steps__grid {
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-home .steps__title {
  margin: 0 0 16px;
  font-size: clamp(26px, 5vw, 42px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: 0.02em;
}

.page-home .steps__body .prose {
  margin-bottom: 20px;
}

.page-home .steps__figure {
  margin: 0;
}

.page-home .step-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  border-top: 1px solid var(--edge);
}

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

.page-home .step__sum {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 2px;
  cursor: pointer;
  list-style: none;
  transition: color 200ms var(--ease);
}

.page-home .step__sum::-webkit-details-marker {
  display: none;
}

.page-home .step__num {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.1em;
  flex: 0 0 auto;
}

.page-home .step__name {
  font-size: var(--fs-18);
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--ice);
  position: relative;
  padding-right: 26px;
}

.page-home .step__name::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  color: var(--orange);
}

.page-home .step details[open] .step__name::after {
  content: "−";
}

.page-home .step__sum:hover .step__name,
.page-home .step__sum:focus-visible .step__name {
  color: var(--cyan);
}

.page-home .step__detail {
  margin: 0 0 16px;
  padding-left: 42px;
  max-width: 34em;
  color: var(--mist);
  font-size: var(--fs-16);
  line-height: 1.8;
}

/* ---------- 更新日志 ---------- */
.page-home .log {
  position: relative;
  isolation: isolate;
  border-top: 1px solid var(--edge);
  overflow: hidden;
}

.page-home .log__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-home .log__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
}

.page-home .log::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(115deg, rgba(10, 22, 38, 0.95), rgba(18, 38, 61, 0.82));
}

.page-home .log__head {
  margin-bottom: clamp(20px, 3.4vw, 32px);
}

.page-home .log__title {
  margin: 0;
  font-size: clamp(26px, 5vw, 42px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: 0.02em;
}

.page-home .log__list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0 0 0 18px;
  border-left: 1px solid var(--edge);
}

.page-home .log__item {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 16px;
  padding: 14px 0;
}

.page-home .log__item::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 26px;
  width: 6px;
  height: 6px;
  border: 1px solid var(--cyan);
  background: var(--deep);
  transform: rotate(45deg);
  transition: background 200ms var(--ease), transform 200ms var(--ease);
}

.page-home .log__item:hover::before {
  background: var(--orange);
  transform: rotate(45deg) scale(1.25);
}

.page-home .log__node {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--orange);
  padding-top: 4px;
  white-space: nowrap;
}

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

.page-home .log__item-title {
  margin: 0 0 6px;
  font-size: var(--fs-18);
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--ice);
}

.page-home .log__item-desc {
  margin: 0;
  max-width: 40em;
  color: var(--mist);
  font-size: var(--fs-14);
  line-height: 1.8;
}

/* ---------- 支持 ---------- */
.page-home .support {
  border-top: 1px solid var(--edge);
  background: linear-gradient(180deg, var(--night), var(--deep));
}

.page-home .support__grid {
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-home .support__title {
  margin: 0 0 16px;
  font-size: clamp(26px, 5vw, 42px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: 0.02em;
}

.page-home .support__copy .prose {
  margin-bottom: 22px;
}

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

.page-home .channel {
  padding: 16px 18px;
  border: 1px solid var(--edge);
  border-left: 3px solid var(--orange);
  background: rgba(10, 22, 38, 0.72);
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}

.page-home .channel:hover {
  border-left-color: var(--cyan);
  transform: translateX(4px);
}

.page-home .channel__title {
  margin: 0 0 6px;
  font-size: var(--fs-18);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--ice);
}

.page-home .channel__desc {
  margin: 0;
  color: var(--mist);
  font-size: var(--fs-14);
  line-height: 1.8;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .hero__status {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px 24px;
    align-items: center;
  }

  .page-home .hero__status-item {
    flex-wrap: nowrap;
  }

  .page-home .cap-item {
    grid-template-columns: 64px 1fr auto;
    grid-template-areas: "num .page-home go";
    align-items: start;
    gap: 8px 22px;
    padding: 28px 4px;
  }

  .page-home .cap-item__go {
    align-self: center;
  }

  .page-home .clash__panel--back {
    inset: 18px -14px -18px 18px;
  }

  .page-home .log__item {
    grid-template-columns: 92px 1fr;
    gap: 10px 24px;
    padding: 18px 0;
  }
}

@media (min-width: 980px) {
  .page-home .hero {
    padding-top: clamp(48px, 6vw, 76px);
  }

  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1fr) 264px;
    gap: 48px;
    align-items: start;
  }

  .page-home .hero__title {
    letter-spacing: 0.05em;
  }

  .page-home .hero__title span:nth-child(2) {
    margin-left: 0.34em;
  }

  .page-home .hero__title span:nth-child(3) {
    margin-left: 0.68em;
  }

  .page-home .hero__index-list {
    gap: 10px;
    margin-top: 34px;
  }

  .page-home .status-band__grid {
    align-items: end;
  }

  .page-home .status-band__chips {
    justify-content: flex-end;
  }

  .page-home .clash__stack {
    gap: 22px;
  }
}

@media (min-width: 1180px) {
  .page-home .hero__lede {
    font-size: var(--fs-18);
  }

  .page-home .cap-item__num {
    font-size: var(--fs-24);
  }
}

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

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