.page-home {
  --home-band: clamp(2.75rem, 7vw, 5.25rem);
  --home-line: 1px solid var(--line);
  background: var(--cream);
  color: var(--ink);
  overflow-x: clip;
}

.page-home .section {
  padding: var(--home-band) 0;
}

.page-home a:focus-visible,
.page-home button:focus-visible,
.page-home summary:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

/* ---------- 首屏框景 ---------- */
.page-home .hero {
  position: relative;
  padding: clamp(1.25rem, 4vw, 2.5rem) 0 var(--home-band);
  background:
    radial-gradient(92% 68% at 88% -12%, rgba(212, 160, 23, .22), transparent 62%),
    radial-gradient(58% 52% at 0% 8%, rgba(198, 40, 40, .09), transparent 62%);
}

.page-home .hero-frame {
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  background: var(--paper);
  padding: clamp(1.35rem, 4vw, 2.75rem);
  box-shadow: 0 30px 70px -50px rgba(30, 27, 24, .65);
}

.page-home .hero-frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: repeating-linear-gradient(90deg, var(--gold-deep) 0 1px, transparent 1px 16px);
  opacity: .45;
  pointer-events: none;
}

.page-home .corner {
  position: absolute;
  width: 11px;
  height: 11px;
  background: var(--red);
  border: 1px solid var(--gold);
  z-index: 2;
}

.page-home .corner--tl { top: -6px; left: -6px; }
.page-home .corner--tr { top: -6px; right: -6px; }
.page-home .corner--bl { bottom: -6px; left: -6px; }
.page-home .corner--br { bottom: -6px; right: -6px; }

.page-home .hero-inner {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-home .hero-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem;
  margin: 0 0 .85rem;
  font-size: .8125rem;
  letter-spacing: .05em;
  color: var(--gold-deep);
}

.page-home .hero-context .mono {
  font-family: var(--font-mono);
  color: var(--teal);
  letter-spacing: .12em;
}

.page-home .hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.4vw, 3.5rem);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--ink-green);
}

.page-home .hero-lede {
  margin: 0;
  max-width: 34em;
  font-size: clamp(1rem, 1.6vw, 1.0625rem);
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-home .entry-paths {
  display: grid;
  gap: .75rem;
  margin-top: clamp(1.4rem, 3vw, 2rem);
}

.page-home .entry {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  position: relative;
  padding: 1.05rem 1.15rem 1.2rem;
  border-radius: 2px;
  text-decoration: none;
  color: var(--paper);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}

.page-home .entry--red {
  background: linear-gradient(140deg, var(--red) 0%, var(--cinnabar) 100%);
  box-shadow: inset 0 0 0 1px rgba(241, 212, 138, .4);
}

.page-home .entry--green {
  background: linear-gradient(140deg, var(--ink-green) 0%, #0b2a23 100%);
  box-shadow: inset 0 0 0 1px rgba(241, 212, 138, .3);
}

.page-home .entry:hover {
  transform: translateY(-3px);
  box-shadow: inset 0 0 0 1px var(--gold-light), 0 18px 32px -24px rgba(30, 27, 24, .8);
}

.page-home .entry-kicker {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .18em;
  color: var(--gold-light);
}

.page-home .entry-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  line-height: 1.45;
}

.page-home .entry-desc {
  font-size: .875rem;
  line-height: 1.7;
  color: rgba(255, 253, 247, .82);
}

.page-home .entry-go {
  margin-top: .55rem;
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--gold-light);
}

.page-home .entry-go::after {
  content: " →";
}

.page-home .hero-note {
  margin: 1.35rem 0 0;
  padding-left: .85rem;
  border-left: 3px solid var(--gold);
  font-size: .875rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-home .hero-figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-gold);
  background: var(--cream);
}

.page-home .hero-figure::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(212, 160, 23, .35);
  pointer-events: none;
}

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

/* ---------- 两步索引带 ---------- */
.page-home .path-band {
  position: relative;
  padding: var(--home-band) 0;
  background: var(--paper);
  border-top: var(--home-line);
  border-bottom: var(--home-line);
  overflow: hidden;
}

.page-home .band-deco {
  display: none;
  position: absolute;
  right: -6%;
  bottom: -14%;
  width: min(40vw, 380px);
  height: auto;
  opacity: .3;
  pointer-events: none;
}

.page-home .section-head {
  margin-bottom: clamp(1.5rem, 3.5vw, 2.25rem);
}

.page-home .path-steps {
  display: grid;
  gap: 1.5rem;
}

.page-home .path-step {
  position: relative;
  padding-top: 1.35rem;
  border-top: 1px solid var(--line-strong);
}

.page-home .path-step::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 52px;
  height: 3px;
  background: var(--gold);
}

.page-home .path-num {
  display: block;
  margin-bottom: .45rem;
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 4vw, 2.3rem);
  line-height: 1;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-home .path-step h3 {
  margin: 0 0 .45rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--ink-green);
}

.page-home .path-step p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-home .path-meta {
  margin-top: .7rem !important;
  font-size: .8125rem;
  color: var(--gold-deep);
}

.page-home .path-meta .mono {
  font-family: var(--font-mono);
  letter-spacing: .06em;
}

/* ---------- 主题簇索引 ---------- */
.page-home .stat-strip {
  display: grid;
  gap: .9rem;
  margin: 0 0 clamp(1.4rem, 3vw, 2rem);
  padding: 1.1rem 0;
  border-top: var(--home-line);
  border-bottom: var(--home-line);
}

.page-home .stat {
  display: flex;
  flex-direction: column;
  gap: .2rem;
}

.page-home .stat-num {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  line-height: 1.1;
  color: var(--ink-green);
}

.page-home .stat-label {
  font-size: .8125rem;
  color: var(--ink-soft);
}

.page-home .cluster-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  border-top: var(--home-line);
}

.page-home .cluster-grid li {
  border-bottom: var(--home-line);
}

.page-home .cluster {
  display: block;
  padding: 1.25rem 1.1rem 1.35rem;
  text-decoration: none;
  color: inherit;
  transition: background-color .2s var(--ease);
}

.page-home .cluster:hover {
  background: rgba(241, 212, 138, .3);
}

.page-home .cluster-num {
  display: block;
  margin-bottom: .4rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .14em;
  color: var(--gold-deep);
}

.page-home .cluster h3 {
  margin: 0 0 .4rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--ink-green);
}

.page-home .cluster p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------- 第3版大屏摘要 ---------- */
.page-home .screen {
  position: relative;
  background: var(--paper);
  border-top: var(--home-line);
  border-bottom: var(--home-line);
  overflow: hidden;
}

.page-home .screen::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(46vw, 420px);
  height: 116px;
  background: linear-gradient(120deg, rgba(198, 40, 40, .9), rgba(142, 27, 27, .92));
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 0);
  pointer-events: none;
}

.page-home .screen-inner {
  position: relative;
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.75rem);
}

.page-home .change-list {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  counter-reset: change;
}

.page-home .change-list li {
  position: relative;
  counter-increment: change;
  padding: .95rem 0 .95rem 2.6rem;
  border-top: 1px solid var(--line);
}

.page-home .change-list li::before {
  content: "0" counter(change);
  position: absolute;
  left: 0;
  top: 1rem;
  font-family: var(--font-mono);
  font-size: .875rem;
  color: var(--gold);
  letter-spacing: .06em;
}

.page-home .change-list h3 {
  margin: 0 0 .3rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--ink-green);
}

.page-home .change-list p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-home .screen-foot {
  margin: 1.15rem 0 1.5rem;
  font-size: .875rem;
  line-height: 1.8;
  color: var(--gold-deep);
}

.page-home .screen-figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-gold);
  background: var(--cream);
}

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

.page-home .screen-figure figcaption {
  position: absolute;
  left: 10px;
  bottom: 10px;
  right: 10px;
  padding: .5rem .7rem;
  background: rgba(247, 241, 227, .93);
  border-left: 3px solid var(--red);
  font-size: .75rem;
  line-height: 1.6;
  color: var(--ink-soft);
}

.page-home .screen-figure figcaption .mono {
  font-family: var(--font-mono);
  color: var(--gold-deep);
  margin-right: .4rem;
}

/* ---------- 新手三步 ---------- */
.page-home .start {
  background: var(--cream);
}

.page-home .start-steps {
  list-style: none;
  margin: 0 0 1.6rem;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-home .start-step details {
  height: 100%;
  padding: .85rem 1rem .95rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--red);
}

.page-home .start-step summary {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink-green);
}

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

.page-home .start-step summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--gold);
}

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

.page-home .step-num {
  font-family: var(--font-mono);
  font-size: .8125rem;
  font-weight: 400;
  letter-spacing: .1em;
  color: var(--gold-deep);
}

.page-home .step-body {
  padding-top: .7rem;
  margin-top: .7rem;
  border-top: 1px dashed var(--line-strong);
}

.page-home .step-body p {
  margin: 0 0 .55rem;
  font-size: .875rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-home .step-body a {
  font-size: .875rem;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 111, 139, .45);
}

.page-home .step-body a:hover {
  border-bottom-color: var(--gold);
}

/* ---------- 联系通栏 ---------- */
.page-home .home-contact {
  position: relative;
  padding: var(--home-band) 0;
  background: var(--ink-green);
  color: var(--cream);
  overflow: hidden;
}

.page-home .contact-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .16;
  pointer-events: none;
}

.page-home .contact-inner {
  position: relative;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-home .home-contact .eyebrow {
  color: var(--gold-light);
}

.page-home .home-contact h2 {
  margin: 0 0 .8rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.6vw, 2.15rem);
  line-height: 1.35;
  color: var(--paper);
}

.page-home .contact-copy p {
  margin: 0;
  max-width: 32em;
  font-size: .9375rem;
  line-height: 1.85;
  color: rgba(247, 241, 227, .82);
}

.page-home .contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.35rem;
}

.page-home .contact-actions .btn-primary {
  background: var(--gold);
  color: var(--ink-green);
  border-color: var(--gold);
}

.page-home .contact-actions .btn-primary:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
}

.page-home .copy-mail {
  font: inherit;
  font-size: .9375rem;
  padding: .6rem 1.1rem;
  background: transparent;
  color: var(--gold-light);
  border: 1px solid var(--line-gold);
  border-radius: 2px;
  cursor: pointer;
  transition: background-color .2s var(--ease), color .2s var(--ease);
}

.page-home .copy-mail:hover {
  background: rgba(241, 212, 138, .15);
}

.page-home .copy-mail[data-copied="true"] {
  background: var(--gold-light);
  border-color: var(--gold-light);
  color: var(--ink-green);
}

.page-home .contact-list {
  margin: 0;
  display: grid;
  gap: .9rem;
}

.page-home .contact-list > div {
  padding-bottom: .85rem;
  border-bottom: 1px solid rgba(241, 212, 138, .24);
}

.page-home .contact-list dt {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .14em;
  color: var(--gold-light);
  margin-bottom: .3rem;
}

.page-home .contact-list dd {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.7;
  color: rgba(255, 253, 247, .92);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-home .entry-paths {
    grid-template-columns: 1fr 1fr;
  }

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

@media (min-width: 620px) {
  .page-home .cluster-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-home .cluster-grid li {
    border-right: var(--home-line);
  }

  .page-home .cluster-grid li:nth-child(2n) {
    border-right: 0;
  }

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

@media (min-width: 860px) {
  .page-home .hero-inner {
    grid-template-columns: 1.06fr .94fr;
    align-items: center;
  }

  .page-home .path-steps {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

  .page-home .stat-strip {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-home .screen-inner {
    grid-template-columns: .95fr 1.05fr;
    align-items: start;
  }

  .page-home .contact-inner {
    grid-template-columns: 1.1fr .9fr;
    align-items: start;
  }

  .page-home .start-steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-home .band-deco {
    display: block;
  }
}

@media (min-width: 1000px) {
  .page-home .cluster-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-home .cluster-grid li:nth-child(2n) {
    border-right: var(--home-line);
  }

  .page-home .cluster-grid li:nth-child(3n) {
    border-right: 0;
  }
}

@media (min-width: 820px) and (hover: hover) {
  .page-home .path-meta {
    opacity: 0;
    transform: translateY(4px);
    transition: opacity .22s var(--ease), transform .22s var(--ease);
  }

  .page-home .path-step:hover .path-meta,
  .page-home .path-step:focus-within .path-meta {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home *,
  .page-home *::before,
  .page-home *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }

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