.page-home {
  --home-pad: clamp(46px, 7vw, 92px);
  --home-gap: clamp(24px, 4vw, 52px);
  display: block;
  overflow-x: clip;
}

/* ---------- 通用块级标题 ---------- */
.page-home .block-kicker {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold-500);
  text-transform: uppercase;
}

.page-home .block-title {
  margin: 0 0 16px;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.2;
  letter-spacing: -.015em;
  font-weight: 900;
  color: var(--text);
}

.page-home .block-lede {
  margin: 0 0 20px;
  max-width: 62ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: var(--text-dim);
}

.page-home .text-link {
  display: inline-block;
  color: var(--cyan-400);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid rgba(35, 211, 211, .38);
  padding-bottom: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .text-link:hover,
.page-home .text-link:focus-visible {
  color: var(--gold-300);
  border-color: var(--gold-300);
}

.page-home .figure-cap {
  margin: 12px 0 0;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding: clamp(28px, 5.5vw, 68px) 0 clamp(44px, 8vw, 96px);
  overflow: hidden;
  isolation: isolate;
}

.page-home .hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -24%;
  right: -14%;
  width: min(720px, 78vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 38% 38%, rgba(35, 211, 211, .15), rgba(35, 211, 211, 0) 64%);
  pointer-events: none;
}

.page-home .hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: 3%;
  bottom: 12%;
  width: min(400px, 46vw);
  height: 3px;
  background: linear-gradient(90deg, var(--gold-500), rgba(242, 169, 59, 0));
  transform: rotate(-9deg);
  opacity: .6;
  pointer-events: none;
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
  align-items: center;
}

.page-home .hero-context {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold-500);
}

.page-home .hero-title {
  margin: 0 0 18px;
  font-size: clamp(32px, 6vw, 54px);
  line-height: 1.08;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--text);
  word-break: keep-all;
}

.page-home .hero-lede {
  margin: 0 0 26px;
  max-width: 42ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--text-dim);
}

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

.page-home .cta-direct {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 26px;
  border-radius: var(--radius-pill);
  background: var(--gold-500);
  color: var(--ink-900);
  font-size: 17px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 10px 26px rgba(242, 169, 59, .18);
  transition: transform .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
}

.page-home .cta-direct:hover,
.page-home .cta-direct:focus-visible {
  background: var(--gold-300);
  transform: translateX(-4px);
  box-shadow: -4px 0 0 0 var(--cyan-400), 0 12px 30px rgba(242, 169, 59, .24);
  outline: none;
}

.page-home .cta-arrow {
  font-family: var(--font-mono);
  transition: transform .2s var(--ease);
}

.page-home .cta-direct:hover .cta-arrow {
  transform: translateX(3px);
}

.page-home .hero-visual {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: linear-gradient(150deg, var(--ink-700) 0%, var(--ink-900) 72%);
  clip-path: polygon(0 7%, 100% 0, 100% 88%, 0 100%);
}

.page-home .hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: .95;
}

.page-home .hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(11, 27, 51, 0) 42%, rgba(11, 27, 51, .74) 100%);
  pointer-events: none;
}

/* ---------- 栏目变更 ---------- */
.page-home .changes {
  padding: var(--home-pad) 0;
  border-top: 1px solid var(--hairline);
}

.page-home .changes-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
}

.page-home .change-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .change-item {
  position: relative;
  padding: 20px 22px 20px 24px;
  border-radius: var(--radius-md);
  background: var(--ink-700);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--cyan-600);
  transition: border-left-color .25s var(--ease), background .25s var(--ease);
}

.page-home .change-item:hover {
  border-left-color: var(--gold-500);
  background: var(--ink-500);
}

.page-home .change-when {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold-500);
}

.page-home .change-title {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--text);
}

.page-home .change-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--text-dim);
}

/* ---------- 电脑端分区 ---------- */
.page-home .desk {
  padding: var(--home-pad) 0;
  background: linear-gradient(180deg, rgba(20, 41, 75, 0) 0%, rgba(20, 41, 75, .58) 16%, rgba(20, 41, 75, .58) 84%, rgba(20, 41, 75, 0) 100%);
}

.page-home .desk-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
  align-items: center;
}

.page-home .chip-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .chip {
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--hairline-strong);
  font-size: 13px;
  color: var(--mist-300);
  background: rgba(30, 58, 102, .5);
}

.page-home .stage-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-home .stage {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--ink-700);
  border: 1px solid var(--hairline);
}

.page-home .stage-num {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold-500);
}

.page-home .stage-name {
  font-size: 15px;
  color: var(--text);
}

.page-home .desk-figure {
  margin: 0;
}

.page-home .desk-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--hairline);
}

/* ---------- 平板端双版本 ---------- */
.page-home .tablet {
  padding: var(--home-pad) 0;
  border-top: 1px solid var(--hairline);
}

.page-home .block-head {
  max-width: 66ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-home .tablet-figure {
  margin: 0 0 clamp(22px, 3.5vw, 36px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--hairline-strong);
  background: var(--ink-700);
}

.page-home .tablet-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .version-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-home .version-card {
  padding: 22px;
  border-radius: var(--radius-md);
  background: var(--ink-700);
  border: 1px solid var(--hairline);
}

.page-home .version-card--current {
  border-color: rgba(242, 169, 59, .55);
  background: linear-gradient(160deg, rgba(242, 169, 59, .14), rgba(242, 169, 59, 0) 62%), var(--ink-700);
}

.page-home .version-tag {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan-400);
}

.page-home .version-card--current .version-tag {
  color: var(--gold-500);
}

.page-home .version-title {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.42;
  font-weight: 700;
  color: var(--text);
}

.page-home .version-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--text-dim);
}

/* ---------- 三步指引 ---------- */
.page-home .steps {
  padding: var(--home-pad) 0;
}

.page-home .steps-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
  align-items: start;
}

.page-home .accordion {
  display: grid;
  gap: 12px;
}

.page-home .accordion-heading {
  margin: 0;
}

.page-home .accordion-item {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: var(--ink-700);
  overflow: hidden;
  transition: border-color .2s var(--ease);
}

.page-home .accordion-item:focus-within,
.page-home .accordion-item:hover {
  border-color: rgba(35, 211, 211, .45);
}

.page-home .accordion-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 58px;
  padding: 16px 20px;
  background: transparent;
  border: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  text-align: left;
  cursor: pointer;
}

.page-home .accordion-btn::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan-400);
  flex: none;
}

.page-home .accordion-btn[aria-expanded="true"]::after {
  content: "−";
  color: var(--gold-500);
}

.page-home .accordion-panel {
  padding: 0 20px 20px;
}

.page-home .accordion-panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-home .step-index {
  flex: none;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--gold-500);
  color: var(--ink-900);
  font-size: 12px;
  font-weight: 600;
}

/* ---------- 下载与导出 ---------- */
.page-home .export {
  padding: var(--home-pad) 0;
  border-top: 1px solid var(--hairline);
}

.page-home .export-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
  align-items: center;
}

.page-home .format-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .format-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: var(--ink-700);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--cyan-600);
}

.page-home .format-tag {
  flex: none;
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan-400);
}

.page-home .format-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--text-dim);
}

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

.page-home .export-figure {
  margin: 0;
}

.page-home .export-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--hairline-strong);
}

/* ---------- 底部行动区 ---------- */
.page-home .cta-strip {
  padding: clamp(34px, 6vw, 66px) 0;
  background: linear-gradient(102deg, var(--ink-700) 0%, var(--ink-900) 72%);
  border-top: 1px solid var(--hairline-strong);
}

.page-home .cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  align-items: center;
}

.page-home .cta-title {
  margin: 0 0 10px;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.26;
  letter-spacing: -.015em;
  font-weight: 900;
  color: var(--text);
}

.page-home .cta-text {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-home .cta-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .stage-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .version-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 940px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-home .changes-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }

  .page-home .changes-intro {
    position: sticky;
    top: 116px;
    align-self: start;
  }

  .page-home .change-item:nth-child(even) {
    transform: translateX(28px);
  }

  .page-home .desk-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-home .steps-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-home .steps-intro {
    position: sticky;
    top: 116px;
    align-self: start;
  }

  .page-home .export-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }

  .page-home .cta-inner {
    grid-template-columns: minmax(0, 8fr) auto;
  }

  .page-home .cta-actions {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .cta-direct,
  .page-home .cta-arrow,
  .page-home .change-item,
  .page-home .accordion-item,
  .page-home .text-link {
    transition: none;
  }

  .page-home .cta-direct:hover,
  .page-home .cta-direct:focus-visible {
    transform: none;
  }
}