.page-home {
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-home .hcontext {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 16px 0 12px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mute);
}

.page-home .hcontext .num {
  color: var(--volt);
}

.page-home .section {
  padding: 56px 0;
}

.page-home .block-num {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 14px;
}

.page-home .block-num__digit {
  font-size: 26px;
  font-weight: 700;
  color: var(--volt);
  line-height: 1;
}

.page-home .block-num__label {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--mute);
}

.page-home h2 {
  margin: 0 0 12px;
  font-size: var(--fs-h2);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.2;
  color: var(--paper);
}

.page-home h3 {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-home p {
  margin: 0 0 12px;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--mute);
}

.page-home .num {
  font-family: var(--mono);
  font-weight: 600;
  letter-spacing: .02em;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  padding: 4px 0 8px;
}

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

.page-home .hero__rail {
  display: grid;
  gap: 12px;
  padding: 16px;
  background: var(--pitch);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-home .rail__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--mute);
}

.page-home .dot {
  width: 8px;
  height: 8px;
  background: var(--volt);
  border-radius: 50%;
  animation: home-breathe 2.4s var(--ease) infinite;
}

@keyframes home-breathe {
  0%, 100% { opacity: 1; }
  50% { opacity: .3; }
}

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

.page-home .rail__item {
  display: grid;
  gap: 4px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.page-home .rail__k {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mute);
}

.page-home .rail__v {
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

.page-home .rail__v.num {
  color: var(--volt);
  font-size: 18px;
}

.page-home .rail__scale {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}

.page-home .rail__seg {
  height: 3px;
  background: var(--line);
}

.page-home .rail__seg--on {
  background: var(--volt);
}

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

.page-home .hero__railpic img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  opacity: .55;
  filter: saturate(.8);
}

.page-home .hero__cover {
  position: relative;
  overflow: hidden;
  padding: 26px 20px 22px;
  background: var(--pitch);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

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

.page-home .hero__cover h1 {
  position: relative;
  margin: 0 0 14px;
  font-size: clamp(2rem, 8vw, 3.6rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--paper);
  max-width: 15em;
}

.page-home .hero__lead {
  position: relative;
  max-width: 34em;
  margin: 0 0 24px;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--glow);
}

.page-home .hero__foot {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-home .hero__mark {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-home .hero__num {
  font-size: clamp(3rem, 15vw, 6rem);
  line-height: .9;
  color: var(--volt);
  letter-spacing: -.02em;
}

.page-home .hero__arrow {
  width: 92px;
  height: 50px;
  color: var(--volt);
  opacity: .7;
  flex: 0 0 auto;
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-home .hero__link {
  font-size: 15px;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.page-home .hero__link:hover,
.page-home .hero__link:focus-visible {
  color: var(--volt);
  border-bottom-color: var(--volt);
}

/* ---------- 入口步骤 ---------- */
.page-home .path__head,
.page-home .catalog__head,
.page-home .ends__head,
.page-home .versions__head {
  margin-bottom: 28px;
  max-width: 44em;
}

.page-home .steps {
  display: grid;
  gap: 10px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.page-home .steps__item details {
  border: 1px solid var(--line);
  background: var(--card);
  transition: border-color .2s var(--ease);
}

.page-home .steps__item details[open] {
  border-color: var(--volt);
}

.page-home .steps__item summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  cursor: pointer;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
  list-style: none;
}

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

.page-home .steps__item summary::after {
  content: "＋";
  margin-left: auto;
  font-size: 18px;
  color: var(--volt);
}

.page-home .steps__item details[open] summary::after {
  content: "－";
}

.page-home .steps__item details:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: 2px;
}

.page-home .steps__num {
  font-size: 22px;
  color: var(--volt);
  min-width: 2.2em;
}

.page-home .steps__item details > p {
  padding: 0 16px;
  margin: 0 0 10px;
}

.page-home .steps__item details > p:last-child {
  margin-bottom: 16px;
}

.page-home .steps__meta {
  font-size: 13px !important;
  color: var(--mute);
  letter-spacing: .04em;
}

.page-home .note {
  margin: 0;
  padding: 14px 0 14px 16px;
  border-left: 2px solid var(--volt);
  font-size: 15px;
  line-height: 1.75;
  color: var(--glow);
  background: rgba(30, 85, 64, .18);
}

/* ---------- 目录 ---------- */
.page-home .catalog {
  background: var(--pitch);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: 24px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .stat {
  display: grid;
  gap: 4px;
  padding: 16px;
  background: var(--ink);
}

.page-home .stat__value {
  font-size: 30px;
  line-height: 1;
  color: var(--volt);
}

.page-home .stat__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mute);
}

.page-home .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-home .chip {
  padding: 8px 14px;
  font-size: 14px;
  font-family: var(--sans);
  color: var(--glow);
  background: transparent;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-home .chip:hover {
  border-color: var(--volt);
  color: var(--paper);
}

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

.page-home .chip:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: 2px;
}

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

.page-home .card {
  display: flex;
  flex-direction: column;
  padding: 18px;
  background: var(--card);
  border: 1px solid var(--line);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-home .card:hover,
.page-home .card:focus-within {
  border-color: var(--volt);
  background: var(--card-hi);
}

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

.page-home .card .media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  opacity: .85;
}

.page-home .card__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}

.page-home .card__text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--mute);
  margin: 0 0 14px;
}

.page-home .card__fields {
  display: grid;
  gap: 6px;
  margin: 0 0 16px;
  padding: 12px 0 0;
  border-top: 1px dashed var(--line);
}

.page-home .card__fields > div {
  display: flex;
  gap: 10px;
  font-size: 13px;
  line-height: 1.6;
}

.page-home .card__fields dt {
  flex: 0 0 40px;
  color: var(--volt);
  letter-spacing: .08em;
}

.page-home .card__fields dd {
  margin: 0;
  color: var(--mute);
}

.page-home .card__foot {
  margin-top: auto;
}

.page-home .card__link {
  display: inline-block;
  font-size: 14px;
  color: var(--volt);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-home .card__link:hover,
.page-home .card__link:focus-visible {
  border-bottom-color: var(--volt);
}

/* ---------- 双端对照 ---------- */
.page-home .split {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .split__col {
  padding: 22px 18px;
  background: var(--pitch);
}

.page-home .split__col h3 {
  margin-top: 12px;
}

.page-home .split__col--mobile {
  background: var(--ink);
}

.page-home .ends__list {
  display: grid;
  gap: 10px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-home .ends__list li {
  display: flex;
  gap: 12px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
}

.page-home .ends__list .num {
  flex: 0 0 auto;
  color: var(--volt);
}

.page-home .ends__note {
  font-size: 14px;
  line-height: 1.75;
  color: var(--mute);
}

.page-home .ends__link {
  display: inline-block;
  margin-top: 4px;
  font-size: 14px;
  color: var(--volt);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.page-home .ends__link:hover,
.page-home .ends__link:focus-visible {
  border-bottom-color: var(--volt);
}

.page-home .tag {
  display: inline-block;
  padding: 3px 9px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ink);
  background: var(--volt);
}

.page-home .tag--warn {
  background: var(--warn);
  color: var(--ink);
}

.page-home .tag--mute {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--mute);
}

.page-home .split .media {
  margin: 0 0 16px;
}

.page-home .split .media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 1px solid var(--line);
}

/* ---------- 版本节奏 ---------- */
.page-home .versions {
  background: var(--pitch);
  border-top: 1px solid var(--line);
}

.page-home .timeline {
  position: relative;
  display: grid;
  gap: 0;
  margin: 0 0 24px;
  padding: 0 0 0 26px;
  list-style: none;
  background-image: repeating-linear-gradient(to right, rgba(30, 85, 64, .55) 0 1px, transparent 1px 56px);
}

.page-home .timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--line);
}

.page-home .timeline__item {
  position: relative;
  padding: 0 0 26px;
}

.page-home .timeline__item:last-child {
  padding-bottom: 0;
}

.page-home .timeline__node {
  position: absolute;
  left: -26px;
  top: 6px;
  width: 11px;
  height: 11px;
  background: var(--volt);
}

.page-home .timeline__item--warn .timeline__node {
  background: var(--warn);
}

.page-home .timeline__when {
  margin: 0 0 4px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--volt);
}

.page-home .timeline__item--warn .timeline__when {
  color: var(--warn);
}

.page-home .timeline__body h3 {
  margin: 0 0 6px;
  font-size: 18px;
}

.page-home .timeline__body p {
  margin: 0 0 10px;
  font-size: 15px;
  color: var(--mute);
}

.page-home .timeline__body .num {
  color: var(--glow);
}

.page-home .vnote {
  border: 1px solid var(--line);
  background: var(--ink);
}

.page-home .vnote summary {
  padding: 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--glow);
  cursor: pointer;
  list-style: none;
}

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

.page-home .vnote summary::after {
  content: "＋";
  float: right;
  color: var(--volt);
}

.page-home .vnote[open] summary::after {
  content: "－";
}

.page-home .vnote p {
  margin: 0;
  padding: 0 16px 18px;
  font-size: 15px;
  color: var(--mute);
}

/* ---------- 反馈 ---------- */
.page-home .support {
  border-top: 1px solid var(--line);
}

.page-home .support__grid {
  display: grid;
  gap: 20px;
}

.page-home .support__main h2 {
  max-width: 16em;
}

.page-home .support__main p {
  max-width: 36em;
}

.page-home .support__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 20px;
}

.page-home .support__link {
  font-size: 15px;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.page-home .support__link:hover,
.page-home .support__link:focus-visible {
  color: var(--volt);
  border-bottom-color: var(--volt);
}

.page-home .support__side {
  padding: 20px 18px;
  background: var(--card);
  border-left: 2px solid var(--volt);
}

.page-home .support__k {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--volt);
}

.page-home .support__list {
  display: grid;
  gap: 10px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-home .support__list li {
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

.page-home .support__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .support__foot {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mute);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-home .section {
    padding: 72px 0;
  }

  .page-home .hero__grid {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 18px;
    align-items: stretch;
  }

  .page-home .hero__rail {
    order: 1;
  }

  .page-home .hero__cover {
    order: 2;
    padding: 40px 36px 32px;
    min-height: 460px;
    display: flex;
    flex-direction: column;
  }

  .page-home .hero__foot {
    margin-top: auto;
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
  }

  .page-home .hero__arrow {
    width: 140px;
    height: 74px;
  }

  .page-home .stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-home .split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-home .split__col {
    padding: 28px 24px;
  }

  .page-home .support__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-home .hero__grid {
    grid-template-columns: 280px minmax(0, 1fr);
  }

  .page-home .hero__cover {
    padding: 52px 44px 40px;
    min-height: 520px;
  }

  .page-home .section {
    padding: 96px 0;
  }

  .page-home .steps {
    grid-template-columns: minmax(0, 1fr);
    max-width: 900px;
  }

  .page-home .split__col--mobile {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 18px;
    align-items: start;
  }

  .page-home .split__col--mobile .media {
    grid-row: span 3;
    margin-bottom: 0;
  }

  .page-home .split__col--mobile .media img {
    aspect-ratio: 4 / 5;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .dot {
    animation: none;
  }
}
<<<END>>>