.page-home {
  --home-max: 1240px;
  --home-gutter: clamp(20px, 4vw, 48px);
  --cut: 18px;
  position: relative;
  background-color: var(--ink-900);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-home .home-inner {
  width: 100%;
  max-width: var(--home-max);
  margin-inline: auto;
  padding-inline: var(--home-gutter);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(28px, 5vw, 64px));
  padding-bottom: clamp(56px, 8vw, 104px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background-image:
    radial-gradient(1100px 620px at 84% 6%, rgba(69, 240, 224, 0.14), transparent 62%),
    radial-gradient(760px 520px at 6% 92%, rgba(255, 138, 61, 0.1), transparent 66%);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(to right, rgba(42, 53, 102, 0.5) 0 1px, transparent 1px 76px),
    repeating-linear-gradient(to bottom, rgba(42, 53, 102, 0.38) 0 1px, transparent 1px 76px);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.28) 72%, transparent);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.28) 72%, transparent);
  pointer-events: none;
}

.page-home .hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(40px, 6vw, 68px);
  align-items: center;
}

.page-home .hero-eyebrow {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan-soft);
}

.page-home .hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 6.4vw, 54px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-home .hero-title .accent {
  color: var(--cyan);
}

.page-home .hero-lede {
  margin: 22px 0 0;
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--text);
}

.page-home .hero-chapters {
  list-style: none;
  margin: clamp(32px, 5vw, 48px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-home .hero-chapter {
  border-bottom: 1px solid var(--line);
}

.page-home .hero-chapter-link {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 14px;
  min-height: 44px;
  padding: 17px 6px 17px 16px;
  color: var(--text);
  text-decoration: none;
  transition: background-color 140ms var(--ease);
}

.page-home .hero-chapter-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 160ms var(--ease);
}

.page-home .hero-chapter-link:hover,
.page-home .hero-chapter-link:focus-visible {
  background-color: rgba(69, 240, 224, 0.05);
}

.page-home .hero-chapter-link:hover::before,
.page-home .hero-chapter-link:focus-visible::before {
  transform: scaleY(1);
}

.page-home .ch-num {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-home .ch-text {
  display: block;
  min-width: 0;
}

.page-home .ch-text strong {
  display: block;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
}

.page-home .ch-desc {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-home .ch-arrow {
  color: var(--muted);
  font-size: 16px;
  transition: color 140ms var(--ease), transform 160ms var(--ease);
}

.page-home .hero-chapter-link:hover .ch-arrow,
.page-home .hero-chapter-link:focus-visible .ch-arrow {
  color: var(--orange);
  transform: translateX(3px);
}

.page-home .hero-map {
  margin: 0;
}

.page-home .hero-map img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

/* ---------- 区块通用 ---------- */
.page-home .home-section {
  position: relative;
  padding-block: clamp(64px, 9vw, 112px);
}

.page-home .sec-head {
  max-width: 760px;
}

.page-home .sec-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan-soft);
}

.page-home .sec-eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--cyan);
}

.page-home .sec-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.2;
  color: var(--text);
}

.page-home .sec-lede {
  margin: 0;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .text-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding-bottom: 3px;
  color: var(--cyan);
  font-size: 15px;
  text-decoration: none;
}

.page-home .text-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms var(--ease);
}

.page-home .text-link:hover::after,
.page-home .text-link:focus-visible::after {
  transform: scaleX(1);
}

.page-home .link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 36px;
  margin: clamp(28px, 4vw, 40px) 0 0;
}

/* ---------- 版本对照栏 ---------- */
.page-home .ver-section {
  background-color: var(--ink-800);
  border-bottom: 1px solid var(--line);
}

.page-home .ver-figure {
  margin: clamp(32px, 5vw, 48px) 0 0;
}

.page-home .ver-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-home .ver-switch {
  margin-top: clamp(32px, 5vw, 48px);
}

.page-home .ver-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-home .ver-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .ver-tab {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  padding: 10px 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
  transition: color 140ms var(--ease), background-color 140ms var(--ease), border-color 140ms var(--ease);
}

.page-home .ver-tab:hover {
  color: var(--text);
  border-color: var(--cyan-soft);
}

.page-home .ver-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--line);
  transition: background-color 140ms var(--ease);
}

.page-home #ver3:checked ~ .ver-tabs [for="ver3"],
.page-home #ver2:checked ~ .ver-tabs [for="ver2"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
  font-weight: 600;
}

.page-home #ver3:checked ~ .ver-tabs [for="ver3"] .ver-dot,
.page-home #ver2:checked ~ .ver-tabs [for="ver2"] .ver-dot {
  background: var(--ink-900);
}

.page-home #ver3:focus-visible ~ .ver-tabs [for="ver3"],
.page-home #ver2:focus-visible ~ .ver-tabs [for="ver2"] {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-home .ver-panels {
  display: grid;
  margin-top: 30px;
}

.page-home .ver-pane {
  grid-area: 1 / 1;
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 180ms var(--ease);
}

.page-home #ver3:checked ~ .ver-panels .ver-pane--v3,
.page-home #ver2:checked ~ .ver-panels .ver-pane--v2 {
  opacity: 1;
  visibility: visible;
}

.page-home .ver-col-title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.14em;
}

.page-home .ver-col-title--path {
  color: var(--cyan-soft);
}

.page-home .ver-col-title--doc {
  color: var(--amber);
}

.page-home .ver-paths {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-home .ver-path {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 14px;
  padding: 14px 16px;
  border-left: 2px solid var(--line);
  transition: border-color 140ms var(--ease), background-color 140ms var(--ease);
}

.page-home .ver-path:hover {
  border-left-color: var(--cyan);
  background-color: rgba(69, 240, 224, 0.05);
}

.page-home .vp-code {
  font-size: 12px;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

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

.page-home .vp-tag {
  font-size: 12px;
  color: var(--muted);
}

.page-home .ver-docs {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .ver-doc {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-home .vd-title {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
}

.page-home .vd-meta {
  font-size: 12px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* ---------- 回访入口 ---------- */
.page-home .revisit-grid {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  align-items: center;
}

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

.page-home .revisit-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-home .route-steps {
  list-style: none;
  margin: clamp(26px, 4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .route-step {
  padding: 12px 0 12px 18px;
  border-left: 2px solid var(--line);
  transition: border-color 140ms var(--ease);
}

.page-home .route-step:hover {
  border-left-color: var(--orange);
}

.page-home .step-label {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-home .route-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .route-step p strong {
  color: var(--text);
  font-weight: 600;
}

.page-home .revisit-copy .text-link {
  margin-top: clamp(24px, 4vw, 32px);
}

/* ---------- 服务与会员 ---------- */
.page-home .svc-grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(32px, 5vw, 48px);
}

.page-home .cut {
  background-image: linear-gradient(180deg, rgba(30, 42, 94, 0.86), rgba(20, 28, 68, 0.72));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  padding: clamp(22px, 3.4vw, 34px);
  transition: background-image 160ms var(--ease);
}

.page-home .cut:hover {
  background-image: linear-gradient(180deg, rgba(38, 52, 112, 0.92), rgba(24, 34, 80, 0.78));
}

.page-home .panel-head {
  margin: 0 0 20px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan-soft);
}

.page-home .svc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .svc-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-home .svc-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-home .svc-idx {
  padding-top: 3px;
  font-size: 12px;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-home .svc-name {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.page-home .svc-desc {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-home .tier-list {
  display: grid;
  gap: 20px;
}

.page-home .tier {
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-home .tier:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-home .tier-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 14px;
}

.page-home .tier-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}

.page-home .tier-badge {
  font-size: 12px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.page-home .tier-items {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-home .tier-items li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .tier-items li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-home .tier--top .tier-items li::before {
  width: 11px;
  background: var(--orange);
}

.page-home .tier-panel .text-link {
  margin-top: clamp(22px, 3.5vw, 30px);
}

/* ---------- 更新索引 ---------- */
.page-home .log-section {
  background-color: var(--ink-800);
  border-block: 1px solid var(--line);
}

.page-home .log-list {
  list-style: none;
  margin: clamp(28px, 4vw, 40px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-home .log-item {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) auto;
  align-items: start;
  gap: 8px 16px;
  padding: 20px 4px;
  border-bottom: 1px solid var(--line);
  transition: background-color 140ms var(--ease);
}

.page-home .log-item:hover {
  background-color: rgba(69, 240, 224, 0.04);
}

.page-home .log-ver {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-home .log-body {
  min-width: 0;
}

.page-home .log-title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.page-home .log-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .log-count {
  align-self: start;
  padding: 4px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  opacity: 0.6;
  white-space: nowrap;
  transition: opacity 140ms var(--ease), color 140ms var(--ease), border-color 140ms var(--ease);
}

.page-home .log-item:hover .log-count,
.page-home .log-item:focus-within .log-count {
  opacity: 1;
  color: var(--amber);
  border-color: rgba(255, 195, 138, 0.45);
}

/* ---------- 常见问题 ---------- */
.page-home .faq-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(28px, 4vw, 40px);
}

.page-home .faq-item {
  background-color: rgba(11, 18, 48, 0.6);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: background-color 140ms var(--ease);
}

.page-home .faq-item[open] {
  background-color: rgba(30, 42, 94, 0.62);
}

.page-home .faq-q {
  position: relative;
  min-height: 44px;
  padding: 18px 46px 18px 18px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}

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

.page-home .faq-q::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 16px;
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
  transition: transform 160ms var(--ease);
}

.page-home .faq-item[open] .faq-q::after {
  transform: rotate(45deg);
}

.page-home .faq-q:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
}

.page-home .faq-a {
  margin: 0;
  padding: 0 18px 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .faq-band {
  margin: clamp(40px, 6vw, 64px) 0 0;
}

.page-home .faq-band img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-home .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .log-item {
    grid-template-columns: 88px minmax(0, 1fr) auto;
    gap: 16px 24px;
    padding-inline: 8px;
  }
}

@media (min-width: 960px) {
  .page-home .hero-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-home .revisit-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  }

  .page-home .svc-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.22fr);
  }

  .page-home .ver-pane {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
  }
}

@media (min-width: 1120px) {
  .page-home .faq-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-chapter-link::before,
  .page-home .text-link::after,
  .page-home .ch-arrow,
  .page-home .faq-q::after,
  .page-home .ver-pane,
  .page-home .ver-path,
  .page-home .log-count {
    transition: none;
  }

  .page-home .hero-chapter-link:hover .ch-arrow,
  .page-home .hero-chapter-link:focus-visible .ch-arrow {
    transform: none;
  }
}