.page-home {
  --home-line: rgba(247, 244, 234, 0.14);
  --home-line-strong: rgba(247, 244, 234, 0.28);
  --home-sticky-top: calc(var(--header-h) + 20px);
  background: var(--ink);
  color: var(--moon);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-home .home-context {
  margin: 0;
  padding: 18px 0 6px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-home .home-context span {
  color: var(--gold);
}

.page-home .kicker {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-home .lede {
  margin: 0 0 26px;
  max-width: 42ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .btn {
  text-decoration: none;
}

.page-home .home-h2 {
  margin: 0 0 14px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.65rem, 4.4vw, 2.5rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--moon);
}

/* ---------- 首屏分屏 ---------- */
.page-home .home-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: 24px 48px;
  background:
    radial-gradient(115% 82% at 80% 0%, rgba(242, 184, 75, 0.18), transparent 56%),
    radial-gradient(90% 70% at 0% 100%, rgba(77, 214, 179, 0.1), transparent 62%);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(90deg, rgba(169, 196, 228, 0.08) 1px, transparent 1px);
  background-size: 86px 100%;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 76%);
  pointer-events: none;
}

.page-home .home-hero__grid {
  display: grid;
  gap: 34px;
  align-items: start;
}

.page-home .home-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(2.05rem, 7vw, 4rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--moon);
}

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

.page-home .home-hero__facts {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-home .home-hero__facts li {
  display: grid;
  gap: 5px;
  padding-top: 12px;
  border-top: 2px solid var(--home-line-strong);
}

.page-home .home-hero__facts strong {
  font-family: var(--font-title);
  font-size: 2rem;
  line-height: 1;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-home .home-hero__facts span {
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

.page-home .home-hero__visual {
  position: relative;
}

.page-home .home-vnote {
  display: none;
  writing-mode: vertical-rl;
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--mist);
}

.page-home .home-track {
  position: relative;
  margin: 0;
}

.page-home .home-track::before {
  content: "";
  position: absolute;
  top: -10px;
  right: -10px;
  width: 78px;
  height: 78px;
  border-top: 2px solid var(--gold);
  border-right: 2px solid var(--gold);
  pointer-events: none;
  z-index: 2;
}

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

.page-home .home-track .figure__frame {
  overflow: hidden;
  background: var(--ink-2);
  clip-path: polygon(0 0, calc(100% - 30px) 0, 100% 30px, 100% 100%, 0 100%);
}

.page-home .home-track .figure__frame img {
  aspect-ratio: 4 / 3;
}

.page-home .figure__caption {
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 分段切换 ---------- */
.page-home .home-switch {
  padding-block: 8px 52px;
}

.page-home .home-switch__title {
  margin-bottom: 18px;
}

.page-home .home-tabs .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--home-line);
}

.page-home .home-tabs .tab {
  appearance: none;
  font: inherit;
  font-size: 14px;
  padding: 10px 18px;
  cursor: pointer;
  color: var(--mist);
  background: transparent;
  border: 1px solid var(--home-line);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

.page-home .home-tabs .tab[aria-selected="true"] {
  color: var(--ink);
  background: var(--gold);
  border-color: var(--gold);
}

.page-home .home-tabs .tab:focus-visible {
  outline: 2px solid var(--gold-soft);
  outline-offset: 2px;
}

.page-home .home-tabs .tabpanel {
  margin-top: 18px;
  padding: 18px 20px;
  background: var(--ink-2);
  border-left: 3px solid var(--gold);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.page-home .home-tabs .tabpanel[hidden] {
  display: none;
}

.page-home .home-tabs .tabpanel p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--moon);
}

/* ---------- 双栏工作区 ---------- */
.page-home .home-workbench {
  display: grid;
  gap: 32px;
  padding-block: 0 56px;
}

.page-home .home-link {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 184, 75, 0.45);
  padding-bottom: 2px;
}

.page-home .home-link:hover,
.page-home .home-link:focus-visible {
  color: var(--gold-soft);
  border-bottom-color: var(--gold-soft);
}

.page-home .home-link:focus-visible {
  outline: 2px solid var(--gold-soft);
  outline-offset: 3px;
}

/* 编号步骤栏 */
.page-home .home-steps {
  padding: 24px 20px;
  background: var(--ink-2);
  border-top: 3px solid var(--gold);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
}

.page-home .home-steps__title {
  margin: 0 0 10px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.5rem, 4vw, 1.9rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--moon);
}

.page-home .home-steps__lede {
  margin: 0 0 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .home-steps__figure {
  margin: 0 0 20px;
}

.page-home .home-steps__figure .figure__frame {
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

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

.page-home .step__box {
  background: rgba(6, 26, 51, 0.6);
  border: 1px solid var(--home-line);
}

.page-home .step__box[open] {
  border-color: var(--home-line-strong);
  background: rgba(6, 26, 51, 0.85);
}

.page-home .step__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  cursor: pointer;
  list-style: none;
}

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

.page-home .step__summary::after {
  content: "+";
  margin-inline-start: auto;
  font-size: 18px;
  line-height: 1;
  color: var(--gold);
}

.page-home .step__box[open] .step__summary::after {
  content: "−";
}

.page-home .step__num {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 2.3rem;
  line-height: 1;
  min-width: 1.2em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

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

.page-home .step__body {
  padding: 0 14px 16px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-home .step__body p {
  margin: 0 0 8px;
}

.page-home .step__body p:last-child {
  margin-bottom: 0;
}

.page-home .step__fallback {
  color: var(--coral);
}

/* 左侧内容卡片 */
.page-home .home-stream {
  display: grid;
  gap: 24px;
  min-width: 0;
}

.page-home .home-card {
  padding: 24px 20px;
  background: var(--ink-2);
  border-top: 2px solid var(--home-line-strong);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

.page-home .home-card__title {
  margin: 0 0 16px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.3rem, 3.4vw, 1.7rem);
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--moon);
}

.page-home .home-card__figure {
  margin: 0 0 18px;
}

.page-home .home-card__figure .figure__frame {
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

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

.page-home .home-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}

.page-home .home-dial {
  display: grid;
  gap: 12px;
  margin: 0 0 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--home-line-strong);
}

.page-home .home-dial__item {
  padding: 14px 14px 14px 16px;
  background: rgba(15, 59, 74, 0.55);
  border-left: 2px solid var(--edge);
}

.page-home .home-dial__num {
  display: block;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.5rem, 5vw, 2.2rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.page-home .home-dial__item p {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .home-fit {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .home-fit__item {
  position: relative;
  padding: 14px 14px 14px 44px;
  background: rgba(6, 26, 51, 0.45);
  border: 1px solid var(--home-line);
}

.page-home .home-fit__check {
  position: absolute;
  left: 14px;
  top: 16px;
  width: 16px;
  height: 16px;
  border: 2px solid var(--jade);
}

.page-home .home-fit__check::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 3px;
  width: 6px;
  height: 6px;
  background: var(--jade);
}

.page-home .home-fit__title {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--moon);
}

.page-home .home-fit__item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

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

.page-home .home-scenes li {
  display: grid;
  gap: 3px;
  padding: 11px 0;
  border-bottom: 1px solid var(--home-line);
}

.page-home .home-scenes strong {
  font-size: 14px;
  color: var(--gold);
}

.page-home .home-scenes span {
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 维护节奏（月白反色区） ---------- */
.page-home .home-rhythm {
  padding-block: 52px 58px;
  background: var(--moon);
  color: var(--ink);
}

.page-home .home-rhythm__grid {
  display: grid;
  gap: 34px;
  align-items: start;
}

.page-home .home-rhythm__kicker {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ink-soft);
}

.page-home .home-rhythm .home-h2 {
  color: var(--ink);
}

.page-home .home-rhythm__text {
  margin: 0 0 14px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-home .home-cta-dark {
  display: inline-block;
  margin: 18px 12px 0 0;
  padding: 12px 22px;
  font-size: 14px;
  font-weight: 600;
  color: var(--moon);
  background: var(--ink);
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}

.page-home .home-cta-dark--line {
  color: var(--ink);
  background: transparent;
  box-shadow: inset 0 0 0 1px var(--ink);
}

.page-home .home-cta-dark:hover,
.page-home .home-cta-dark:focus-visible {
  outline: none;
  background: var(--ink-2);
  color: var(--gold-soft);
}

.page-home .home-cta-dark--line:hover,
.page-home .home-cta-dark--line:focus-visible {
  background: rgba(242, 184, 75, 0.22);
  color: var(--ink);
}

.page-home .home-cta-dark:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

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

.page-home .home-rhythm__list li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid rgba(6, 26, 51, 0.16);
}

.page-home .home-rhythm__list li:last-child {
  border-bottom: 1px solid rgba(6, 26, 51, 0.16);
}

.page-home .home-rhythm__list strong {
  font-family: var(--font-title);
  font-size: 1.35rem;
  line-height: 1.2;
  color: var(--ink);
}

.page-home .home-rhythm__list span {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-home .home-fit {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-home .home-dial {
    grid-template-columns: 1.15fr 1fr 1fr;
  }
}

@media (min-width: 640px) {
  .page-home .lede {
    font-size: 17px;
  }

  .page-home .home-card {
    padding: 28px 26px;
  }

  .page-home .home-steps {
    padding: 28px 26px;
  }

  .page-home .home-rhythm__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }

  .page-home .home-rhythm__list li:nth-child(2) {
    border-top: 1px solid rgba(6, 26, 51, 0.16);
  }
}

@media (min-width: 940px) {
  .page-home .home-hero {
    padding-block: 30px 64px;
  }

  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 56px;
    align-items: center;
  }

  .page-home .home-switch {
    padding-block: 12px 64px;
  }

  .page-home .home-rhythm__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.86fr);
    gap: 56px;
  }
}

@media (min-width: 980px) {
  .page-home .home-workbench {
    grid-template-columns: minmax(0, 1fr) 392px;
    gap: 48px;
    align-items: start;
    padding-block: 0 68px;
  }

  .page-home .home-stream {
    grid-column: 1;
    grid-row: 1;
  }

  .page-home .home-steps {
    grid-column: 2;
    grid-row: 1;
    align-self: start;
    position: sticky;
    top: var(--home-sticky-top);
  }

  .page-home .home-stream > *:nth-child(even) {
    margin-inline-start: 36px;
  }
}

@media (min-width: 1200px) {
  .page-home .home-vnote {
    display: block;
    position: absolute;
    left: -42px;
    top: 6px;
  }

  .page-home .home-hero__visual {
    padding-inline-start: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-steps {
    position: static;
  }

  .page-home .home-stream > *:nth-child(even) {
    margin-inline-start: 0;
  }
}