.page-home {
  --home-glow-cyan: radial-gradient(circle at 82% 12%, rgba(53, 242, 208, 0.16), transparent 58%);
  --home-glow-lake: radial-gradient(circle at 8% 58%, rgba(29, 122, 158, 0.36), transparent 62%);
  --home-hair: 1px solid var(--line);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: calc(var(--header-h) + clamp(1.75rem, 6vw, 4.5rem)) clamp(2.5rem, 7vw, 6rem);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: -12% -25% auto -25%;
  height: 135%;
  background: var(--home-glow-cyan), var(--home-glow-lake);
  z-index: -1;
  pointer-events: none;
}

.page-home .hero-texture {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0.16;
}

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

.page-home .hero-grid {
  display: grid;
  gap: clamp(2rem, 6vw, 3.5rem);
  align-items: start;
}

.page-home .hero-copy h1 {
  margin: 0.7rem 0 0;
  font-size: clamp(2.55rem, 11vw, 5.3rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
  color: var(--sand);
  font-weight: 900;
}

.page-home .hero-copy h1 em {
  display: inline-block;
  font-style: normal;
  color: var(--card);
  background-image: linear-gradient(transparent 64%, rgba(53, 242, 208, 0.3) 64%);
  background-repeat: no-repeat;
}

.page-home .hero-lede {
  max-width: 34em;
  margin: 1.4rem 0 0;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--mist);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.9rem;
}

.page-home .hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.25rem, 5vw, 2.75rem);
  margin: 2.4rem 0 0;
  padding-top: 1.5rem;
  border-top: 1px dashed var(--line-dashed);
}

.page-home .hero-facts dt {
  font-size: var(--step--1);
  letter-spacing: 0.12em;
  color: var(--sand-mute);
}

.page-home .hero-facts dd {
  margin: 0.35rem 0 0;
  font-family: var(--font-mono);
  font-size: var(--step-2);
  font-weight: 500;
  color: var(--cyan);
  line-height: 1;
}

.page-home .hero-shot {
  position: relative;
  margin: 0;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: linear-gradient(150deg, rgba(29, 122, 158, 0.32), rgba(7, 26, 34, 0.7));
  box-shadow: var(--shadow-lift);
}

.page-home .hero-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
}

.page-home .hero-shot .media-caption {
  display: block;
  padding: 0.85rem 1.15rem 1rem;
  font-size: var(--step--1);
  color: var(--sand);
  border-top: 1px solid var(--line);
}

/* ---------- 横向轨道 ---------- */
.page-home .rail-band {
  padding-block: clamp(2.5rem, 7vw, 5rem);
  border-top: var(--home-hair);
}

.page-home .band-head {
  max-width: 46rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.25rem);
}

.page-home .band-head h2 {
  margin: 0.5rem 0 0;
  font-size: var(--step-3);
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--card);
}

.page-home .band-lede {
  margin: 1rem 0 0;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--mist);
}

.page-home .rail {
  display: flex;
  gap: 1rem;
  margin: 0;
  padding: 0.5rem max(var(--gutter), calc((100vw - var(--maxw)) / 2)) 1.5rem;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: max(var(--gutter), calc((100vw - var(--maxw)) / 2));
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--lake-bright) transparent;
}

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

.page-home .rail::-webkit-scrollbar {
  height: 6px;
}

.page-home .rail::-webkit-scrollbar-thumb {
  background: var(--lake-bright);
  border-radius: 99px;
}

.page-home .rail-card {
  scroll-snap-align: start;
  flex: 0 0 min(78vw, 320px);
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: 1.4rem 1.35rem 1.5rem;
  border-radius: var(--radius-m);
  border: 1px dashed var(--line-dashed);
  background:
    linear-gradient(165deg, rgba(29, 122, 158, 0.22), rgba(22, 44, 51, 0.85) 72%);
}

.page-home .rail-num {
  font-family: var(--font-mono);
  font-size: var(--step-2);
  line-height: 1;
  color: var(--cyan);
  opacity: 0.85;
}

.page-home .rail-card h3 {
  margin: 0;
  font-size: var(--step-1);
  color: var(--sand);
  letter-spacing: 0.01em;
}

.page-home .rail-card p {
  margin: 0;
  font-size: var(--step--1);
  line-height: 1.75;
  color: var(--mist);
}

.page-home .rail-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.3rem 0 0;
  padding: 0;
  list-style: none;
}

.page-home .rail-chips li {
  padding: 0.28rem 0.6rem;
  border-radius: var(--radius-s);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--card);
  background: rgba(7, 26, 34, 0.45);
}

.page-home .rail-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.4rem;
  padding-top: 1.5rem;
  border-top: var(--home-hair);
}

.page-home .rail-foot p {
  margin: 0;
  max-width: 34em;
  font-size: var(--step--1);
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 索引与版本对照 ---------- */
.page-home .index-band {
  padding-block: clamp(3rem, 8vw, 6rem);
  background:
    linear-gradient(155deg, rgba(11, 79, 108, 0.55), rgba(7, 26, 34, 0) 68%);
}

.page-home .index-grid {
  display: grid;
  gap: clamp(2rem, 6vw, 3.5rem);
}

.page-home .index-copy h2 {
  margin: 0.5rem 0 0;
  font-size: var(--step-3);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--card);
}

.page-home .index-copy p {
  margin: 1.1rem 0 0;
  max-width: 32em;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--mist);
}

.page-home .index-badges {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin: 1.7rem 0 0;
  padding: 0;
  list-style: none;
}

.page-home .index-badges li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px dashed var(--line-dashed);
}

.page-home .badge-note {
  font-size: var(--step--1);
  color: var(--sand-mute);
}

.page-home .index-copy .btn {
  margin-top: 1.8rem;
}

.page-home .index-preview {
  padding: clamp(1.25rem, 4vw, 2rem);
  border-radius: var(--radius-l);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(22, 44, 51, 0.9), rgba(7, 26, 34, 0.6));
}

.page-home .index-preview h3 {
  margin: 0;
  font-size: var(--step-1);
  color: var(--sand);
  line-height: 1.25;
}

.page-home .index-preview > p {
  margin: 0.7rem 0 0;
  font-size: var(--step--1);
  line-height: 1.8;
  color: var(--mist);
}

.page-home .version-fields {
  margin: 1.4rem 0 0;
}

.page-home .version-fields > div {
  display: grid;
  gap: 0.15rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
}

.page-home .version-fields dt {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-home .version-fields dd {
  margin: 0;
  font-size: var(--step--1);
  line-height: 1.7;
  color: var(--card);
}

.page-home .config-shot {
  margin: 1.5rem 0 0;
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--line-strong);
}

.page-home .config-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .config-shot .media-caption {
  display: block;
  padding: 0.7rem 1rem 0.85rem;
  font-size: var(--step--1);
  color: var(--sand);
  background: rgba(7, 26, 34, 0.75);
}

/* ---------- 六个栏目 ---------- */
.page-home .columns-band {
  padding-block: clamp(2.75rem, 8vw, 5.5rem);
  border-top: var(--home-hair);
}

.page-home .columns-head {
  max-width: 40rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-home .columns-head h2 {
  margin: 0.5rem 0 0;
  font-size: var(--step-2);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--card);
}

.page-home .columns-list {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .col-item {
  position: relative;
  padding: 1.35rem 1.25rem 1.45rem;
  border-radius: var(--radius-m);
  border-left: 3px solid var(--lake-bright);
  background: linear-gradient(120deg, rgba(22, 44, 51, 0.92), rgba(7, 26, 34, 0.55));
}

.page-home .col-item:nth-child(2n) {
  border-left-color: var(--terracotta);
}

.page-home .col-tag {
  display: inline-block;
  padding: 0.22rem 0.55rem;
  border-radius: var(--radius-s);
  border: 1px dashed var(--line-dashed);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--sand);
}

.page-home .col-item h3 {
  margin: 0.7rem 0 0;
  font-size: var(--step-1);
  line-height: 1.3;
  color: var(--card);
}

.page-home .col-item p {
  margin: 0.5rem 0 0;
  font-size: var(--step--1);
  line-height: 1.75;
  color: var(--mist);
}

.page-home .col-item a {
  display: inline-block;
  margin-top: 0.9rem;
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 208, 0.4);
  padding-bottom: 0.15rem;
}

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

/* ---------- 三步操作 ---------- */
.page-home .steps {
  padding-block: clamp(2.75rem, 8vw, 5.5rem);
  background: linear-gradient(200deg, rgba(226, 109, 63, 0.1), rgba(7, 26, 34, 0) 60%);
}

.page-home .steps-grid {
  display: grid;
  gap: clamp(1.75rem, 5vw, 3rem);
}

.page-home .steps-copy h2 {
  margin: 0.5rem 0 0;
  font-size: var(--step-3);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--sand);
}

.page-home .steps-copy p {
  margin: 1rem 0 1.6rem;
  max-width: 28em;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--mist);
}

.page-home .step-list {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.page-home .step-list li {
  position: relative;
  padding: 1.25rem 1.25rem 1.35rem 1.25rem;
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  background: rgba(11, 79, 108, 0.28);
}

.page-home .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--cyan);
}

.page-home .step-list h3 {
  margin: 0.85rem 0 0;
  font-size: var(--step-1);
  color: var(--card);
}

.page-home .step-list p {
  margin: 0.45rem 0 0;
  font-size: var(--step--1);
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 服务与反馈 ---------- */
.page-home .service-band {
  padding-block: clamp(2.75rem, 8vw, 5.5rem);
  border-top: var(--home-hair);
}

.page-home .service-grid {
  display: grid;
  gap: clamp(1.75rem, 5vw, 3rem);
}

.page-home .service-copy h2 {
  margin: 0.5rem 0 0;
  font-size: var(--step-2);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--card);
}

.page-home .service-copy p {
  margin: 1rem 0 0;
  max-width: 32em;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--mist);
}

.page-home .service-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.page-home .service-card {
  padding: clamp(1.25rem, 4vw, 1.9rem);
  border-radius: var(--radius-l);
  border: 1px dashed var(--line-dashed);
  background: linear-gradient(170deg, rgba(232, 211, 169, 0.09), rgba(7, 26, 34, 0.5));
}

.page-home .contact-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
}

.page-home .contact-list li {
  display: grid;
  grid-template-columns: 3.2rem minmax(0, 1fr);
  gap: 0.6rem;
  align-items: baseline;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--line);
  font-size: var(--step--1);
  color: var(--card);
  word-break: break-word;
}

.page-home .contact-key {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--sand-mute);
}

.page-home .contact-note {
  margin: 1rem 0 0;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--sand-mute);
}

.page-home .service-more {
  display: inline-block;
  margin-top: 1rem;
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--terracotta);
  text-decoration: none;
  border-bottom: 1px solid rgba(226, 109, 63, 0.45);
  padding-bottom: 0.12rem;
}

.page-home .service-more:hover,
.page-home .service-more:focus-visible {
  color: var(--sand);
  border-bottom-color: var(--sand);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .columns-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .step-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .version-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 1.5rem;
  }
}

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.74fr);
    align-items: end;
    gap: clamp(2rem, 4vw, 4rem);
  }

  .page-home .hero-shot {
    margin-bottom: -0.5rem;
  }

  .page-home .index-grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-home .steps-grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.35fr);
    align-items: start;
  }

  .page-home .service-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.8fr);
    align-items: start;
  }

  .page-home .columns-list {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: 1.25rem;
    row-gap: 1.75rem;
  }

  .page-home .col-item {
    grid-column: span 5;
    margin-top: 0;
  }

  .page-home .col-item:nth-child(1) { grid-column: 1 / 6; }
  .page-home .col-item:nth-child(2) { grid-column: 7 / 12; margin-top: 2rem; }
  .page-home .col-item:nth-child(3) { grid-column: 2 / 7; }
  .page-home .col-item:nth-child(4) { grid-column: 8 / 13; margin-top: 1.5rem; }
  .page-home .col-item:nth-child(5) { grid-column: 1 / 6; }
  .page-home .col-item:nth-child(6) { grid-column: 7 / 12; margin-top: 1.75rem; }
}

@media (min-width: 1100px) {
  .page-home .rail-card {
    flex: 0 0 340px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .rail {
    scroll-behavior: auto;
  }
}
<<<END>>>