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

.page-home .wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: var(--pad);
}

.page-home .section {
  padding-block: clamp(56px, 9vw, 104px);
}

.page-home .section--tight {
  padding-block: clamp(40px, 6vw, 72px);
}

/* ---------- 首屏框景 ---------- */
.page-home .hero {
  padding: calc(var(--header-h) + 28px) var(--pad) clamp(32px, 5vw, 56px);
  background:
    radial-gradient(circle at 78% 12%, rgba(0, 232, 209, .14), transparent 46%),
    radial-gradient(circle at 8% 88%, rgba(47, 107, 255, .16), transparent 52%),
    var(--ink);
}

.page-home .hero-frame {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(22px, 4vw, 46px);
  background: linear-gradient(165deg, rgba(14, 20, 25, .96), rgba(5, 7, 10, .98));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut) * 2) 0, 100% calc(var(--cut) * 2), 100% 100%, calc(var(--cut) * 2) 100%, 0 calc(100% - var(--cut) * 2));
}

.page-home .hero-frame::before,
.page-home .hero-frame::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 10px;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, var(--cyan-soft) 0 1px, transparent 1px 22px);
  opacity: .55;
}

.page-home .hero-frame::before {
  top: 0;
}

.page-home .hero-frame::after {
  bottom: 0;
  background-image: repeating-linear-gradient(90deg, rgba(167, 180, 192, .32) 0 1px, transparent 1px 22px);
}

.page-home .hero-scale {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 14px;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--cyan-soft) 18%, transparent 42%, var(--blue) 74%, transparent);
  opacity: .6;
}

.page-home .home-context {
  position: relative;
  margin: 0 0 clamp(20px, 3vw, 32px);
  padding-left: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
}

.page-home .home-context::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 12px;
  height: 1px;
  background: var(--cyan);
}

.page-home .hero-grid {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}

.page-home .hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-home .hero-pulse {
  width: 7px;
  height: 7px;
  background: var(--cyan);
  transform: rotate(45deg);
  box-shadow: 0 0 12px var(--cyan-soft);
}

.page-home .hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 7vw, 62px);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-home .hero-lead {
  max-width: 40ch;
  margin: 0 0 28px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 30px;
}

.page-home .hero-meta {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-home .hero-meta li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  font-size: 14px;
}

.page-home .meta-k {
  flex: 0 0 82px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-home .meta-v {
  color: var(--text);
}

.page-home .hero-visual {
  position: relative;
  margin: 0;
  padding: 8px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

.page-home .hero-visual img {
  display: block;
  width: 100%;
  height: clamp(260px, 46vw, 460px);
  object-fit: cover;
  filter: saturate(.82) contrast(1.06);
}

.page-home .hero-visual figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-home .hero-annotation {
  position: absolute;
  top: 18px;
  right: 14px;
  margin: 0;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--cyan);
  opacity: .85;
}

/* ---------- 横向章节索引条 ---------- */
.page-home .rail {
  position: sticky;
  top: var(--header-h);
  z-index: 5;
  background: rgba(5, 7, 10, .92);
  border-block: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.page-home .rail-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 12px var(--pad);
}

.page-home .rail-label {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--muted);
}

.page-home .rail-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-home .rail-link {
  display: inline-block;
  padding: 6px 12px;
  font-size: 13px;
  white-space: nowrap;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid transparent;
  border-bottom: 1px solid var(--line);
  transition: color .28s var(--ease), border-color .28s var(--ease);
}

.page-home .rail-link:hover,
.page-home .rail-link:focus-visible {
  color: var(--text);
  border-bottom-color: var(--cyan);
}

/* ---------- 通用标题段 ---------- */
.page-home .sec-head {
  max-width: 62ch;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-home .sec-head--row {
  display: grid;
  gap: 16px;
  max-width: none;
}

.page-home .kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-home .sec-head h2,
.page-home .version-copy h2,
.page-home .archive-copy h2 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 4.2vw, 38px);
  line-height: 1.28;
  letter-spacing: -.02em;
}

.page-home .sec-lead,
.page-home .sec-note {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .sec-note {
  font-size: 14.5px;
  border-left: 2px solid var(--blue);
  padding-left: 14px;
}

.page-home .prose {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .muted-text {
  font-size: 14px;
  color: var(--muted);
}

/* ---------- 双主线分屏 ---------- */
.page-home .split {
  display: grid;
  gap: 18px;
}

.page-home .split-main,
.page-home .split-side {
  position: relative;
  padding: clamp(22px, 3.4vw, 36px);
}

.page-home .split-main {
  border-left: 2px solid var(--cyan);
}

.page-home .panel-tag {
  display: inline-block;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
}

.page-home .split h3 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(19px, 2.6vw, 24px);
  line-height: 1.4;
  letter-spacing: -.01em;
}

.page-home .mini-list {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-home .mini-list li {
  position: relative;
  padding: 9px 0 9px 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
  border-bottom: 1px dashed rgba(27, 40, 48, .9);
}

.page-home .mini-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 17px;
  width: 6px;
  height: 6px;
  background: var(--blue);
  transform: rotate(45deg);
}

.page-home .paper-text {
  color: var(--paper-ink);
  opacity: .78;
}

.page-home .quota-dial {
  position: relative;
  width: 132px;
  height: 132px;
  margin: 6px 0 20px;
  border-radius: 50%;
  background: repeating-conic-gradient(from -90deg, var(--gold) 0 58deg, transparent 58deg 72deg);
  display: grid;
  place-items: center;
}

.page-home .quota-dial::before {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid rgba(11, 17, 22, .12);
}

.page-home .quota-dial-core {
  position: relative;
  font-family: var(--font-mono);
  font-size: 38px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--paper-ink);
}

.page-home .quota-dial-core::after {
  content: " / 30 天";
  font-size: 11px;
  letter-spacing: .06em;
  color: rgba(11, 17, 22, .6);
}

.page-home .link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color .28s var(--ease), gap .28s var(--ease);
}

.page-home .link-arrow:hover,
.page-home .link-arrow:focus-visible {
  border-bottom-color: var(--cyan);
  gap: 12px;
}

.page-home .link-arrow--dark {
  color: var(--paper-ink);
  border-bottom-color: rgba(11, 17, 22, .25);
}

.page-home .link-arrow--dark:hover,
.page-home .link-arrow--dark:focus-visible {
  border-bottom-color: var(--paper-ink);
}

/* ---------- 额度与周期 ---------- */
.page-home .version-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-home .steps {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-home .steps li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  align-items: start;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text);
}

.page-home .step-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
  padding-top: 3px;
}

.page-home .version-visual {
  margin: 0;
  padding: 8px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-home .version-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .version-visual figcaption,
.page-home .version-figure figcaption,
.page-home .archive-visual figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--muted);
}

/* ---------- 索引版本 ---------- */
.page-home .version-split {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

.page-home .version-figure {
  margin: 0;
  padding: 8px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  border-top: 2px solid var(--blue);
}

.page-home .version-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

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

.page-home .note-card {
  padding: 18px 20px;
  background: var(--ink-2);
  border-left: 1px solid var(--line);
  transition: transform .32s var(--ease), border-color .32s var(--ease);
}

.page-home .note-card:hover {
  transform: translate(4px, -4px);
  border-left-color: var(--cyan);
}

.page-home .note-label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-home .note-value {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--cyan);
}

.page-home .note-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 旧版资料 ---------- */
.page-home .archive-grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-home .path-list {
  display: grid;
  gap: 2px;
  margin: 24px 0 22px;
}

.page-home .path-item {
  padding: 16px 18px;
  background: linear-gradient(90deg, rgba(27, 40, 48, .55), transparent);
  border-left: 2px solid var(--line);
  transition: border-color .3s var(--ease), background .3s var(--ease);
}

.page-home .path-item:hover {
  border-left-color: var(--magenta);
  background: linear-gradient(90deg, rgba(255, 46, 126, .1), transparent);
}

.page-home .path-code {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--magenta);
}

.page-home .path-item h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-home .path-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .archive-visual {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(242, 180, 92, .09), transparent 55%),
    var(--ink-2);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  align-self: start;
}

.page-home .archive-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  filter: saturate(.75) contrast(1.08);
}

/* ---------- 规模数据条 ---------- */
.page-home .stats {
  display: grid;
  gap: 1px;
  background: var(--line);
  border-block: 1px solid var(--line);
}

.page-home .stat {
  padding: 22px 18px 24px;
  background: var(--ink);
}

.page-home .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(38px, 7vw, 58px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--text);
  text-shadow: 0 0 24px rgba(0, 232, 209, .28);
}

.page-home .stat:nth-child(2) .stat-num {
  color: var(--gold);
  text-shadow: 0 0 24px var(--gold-soft);
}

.page-home .stat:nth-child(4) .stat-num {
  color: var(--cyan);
}

.page-home .stat-label {
  margin: 12px 0 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}

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

/* ---------- 下一步 ---------- */
.page-home .next-grid {
  display: grid;
  gap: 14px;
  margin-bottom: 26px;
}

.page-home .next-card {
  position: relative;
  display: block;
  padding: 24px 22px 26px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--text);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  transition: transform .34s var(--ease), border-color .34s var(--ease), background .34s var(--ease);
}

.page-home .next-card:hover,
.page-home .next-card:focus-visible {
  transform: translate(6px, -6px);
  border-color: var(--cyan);
  background: linear-gradient(140deg, rgba(0, 232, 209, .1), var(--ink-2) 62%);
}

.page-home .next-index {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--cyan);
}

.page-home .next-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: -.01em;
}

.page-home .next-card p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .next-go {
  display: block;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
}

.page-home .next-tail {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

.page-home .next-tail a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-soft);
}

.page-home .next-tail a:hover,
.page-home .next-tail a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 收束斜线 ---------- */
.page-home .tail-line {
  height: 1px;
  margin: 8px 0 0;
  background: linear-gradient(90deg, transparent, var(--cyan) 30%, var(--blue) 70%, transparent);
  transform: rotate(-1.2deg) scaleX(1.06);
  transform-origin: center;
  opacity: .5;
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-home .hero-meta li {
    flex-wrap: nowrap;
  }

  .page-home .stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-home .next-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-home .next-card:last-child {
    grid-column: 1 / -1;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: 1.15fr .85fr;
    align-items: stretch;
  }

  .page-home .hero-visual {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
  }

  .page-home .hero-visual img {
    height: min(520px, 62vh);
  }

  .page-home .sec-head--row {
    grid-template-columns: 1fr .8fr;
    align-items: end;
    gap: 40px;
  }

  .page-home .sec-note {
    margin-bottom: 6px;
  }

  .page-home .split {
    grid-template-columns: 1.4fr .85fr;
    align-items: start;
    gap: 20px;
  }

  .page-home .split-side {
    margin-top: 42px;
  }

  .page-home .version-grid {
    grid-template-columns: 1.1fr .9fr;
    align-items: center;
  }

  .page-home .version-split {
    grid-template-columns: .82fr 1.18fr;
    gap: 44px;
  }

  .page-home .archive-grid {
    grid-template-columns: 1.3fr .7fr;
    align-items: start;
    gap: 48px;
  }

  .page-home .archive-visual {
    margin-top: 56px;
  }

  .page-home .next-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .page-home .next-card:last-child {
    grid-column: auto;
  }

  .page-home .next-card:nth-child(2) {
    margin-top: 22px;
  }

  .page-home .next-card:nth-child(3) {
    margin-top: 44px;
  }
}

@media (min-width: 1100px) {
  .page-home .stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-home .stat {
    padding: 28px 22px 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .note-card,
  .page-home .next-card,
  .page-home .path-item,
  .page-home .rail-link,
  .page-home .link-arrow {
    transition: none;
  }

  .page-home .note-card:hover,
  .page-home .next-card:hover,
  .page-home .next-card:focus-visible {
    transform: none;
  }
}
<<<END>>>