.page-home {
  --home-rail-w: 256px;
  --home-gap: clamp(40px, 5.5vw, 80px);
  --home-rule: var(--ax-line-soft);

  position: relative;
  background-color: var(--ax-paper);
  background-image:
    repeating-linear-gradient(
      to right,
      var(--ax-grid-line) 0,
      var(--ax-grid-line) 1px,
      transparent 1px,
      transparent var(--ax-grid)
    ),
    repeating-linear-gradient(
      to bottom,
      var(--ax-grid-line) 0,
      var(--ax-grid-line) 1px,
      transparent 1px,
      transparent var(--ax-grid)
    );
  color: var(--ax-text);
  font-family: var(--ax-font-sans);
  font-size: 16px;
  line-height: 1.75;
  padding: clamp(20px, 3vw, 36px) 0 clamp(64px, 9vw, 112px);
}

/* ---------- 面包屑 ---------- */
.page-home .home-crumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--ax-line);
  margin-bottom: clamp(28px, 4vw, 52px);
  font-family: var(--ax-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ax-slate-mid);
}

.page-home .home-crumbs .ax-crumbs__sep {
  color: var(--ax-slate-soft);
}

/* ---------- 主布局 ---------- */
.page-home .home-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
}

@media (min-width: 1000px) {
  .page-home .home-layout {
    grid-template-columns: var(--home-rail-w) minmax(0, 1fr);
    gap: clamp(36px, 4.5vw, 68px);
    align-items: start;
  }
}

/* ---------- 左侧版本栏 ---------- */
.page-home .home-rail {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 22px 20px;
  border: 1px dashed var(--ax-line);
  border-radius: var(--ax-radius-lg);
  background: rgba(255, 255, 255, 0.66);
}

@media (min-width: 1000px) {
  .page-home .home-rail {
    position: sticky;
    top: 92px;
  }
}

.page-home .home-rail .ax-section__label {
  margin: 0 0 8px;
}

.page-home .home-rail__ver {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-home .home-rail__num {
  font-family: var(--ax-font-mono);
  font-size: clamp(38px, 6vw, 52px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--ax-ink);
  margin: 0 0 14px;
}

.page-home .home-rail__copy {
  align-self: flex-start;
}

.page-home .home-rail__stamp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  padding: 7px 15px;
  border: 1px solid var(--ax-line);
  border-radius: var(--ax-radius-pill);
  background: var(--ax-white);
  color: var(--ax-ink);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-home .home-rail__stamp::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ax-amber);
}

.page-home .home-rail__index {
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  display: grid;
  gap: 2px;
  border-top: 1px dashed var(--ax-line);
}

.page-home .home-rail__index .ax-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 2px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ax-slate);
  text-decoration: none;
  border-bottom: 1px dashed transparent;
  transition: color 160ms var(--ax-ease), border-color 160ms var(--ax-ease);
}

.page-home .home-rail__index .ax-index__link:hover,
.page-home .home-rail__index .ax-index__link:focus-visible {
  color: var(--ax-ink);
  border-bottom-color: var(--ax-ink);
}

.page-home .home-rail__index .ax-index__link:focus-visible {
  outline: 2px solid var(--ax-ink-mid);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-home .home-rail__index .ax-index__num {
  font-family: var(--ax-font-mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--ax-slate-mid);
}

/* ---------- 内容区通用 ---------- */
.page-home .home-body {
  min-width: 0;
}

.page-home .home-body .ax-section {
  padding-block: var(--home-gap);
  border-top: 1px solid var(--home-rule);
}

.page-home .home-body > .ax-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-home .home-body > .ax-section:last-child {
  padding-bottom: 0;
}

.page-home .ax-section__label {
  margin: 0 0 14px;
  font-family: var(--ax-font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ax-slate-mid);
}

.page-home .ax-section__title {
  margin: 0 0 18px;
  font-family: var(--ax-font-sans);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ax-ink);
  max-width: 24ch;
}

.page-home .ax-lede {
  margin: 0 0 30px;
  font-family: var(--ax-font-serif);
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.78;
  color: var(--ax-slate);
  max-width: 46ch;
}

.page-home .ax-media {
  margin: 0;
}

.page-home .ax-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--ax-line);
  border-radius: var(--ax-radius-md);
  background: var(--ax-white);
}

.page-home .ax-media__cap {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ax-slate-mid);
}

/* ---------- A 状态台 ---------- */
.page-home .home-stage__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

@media (min-width: 1080px) {
  .page-home .home-stage__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 52px;
    align-items: start;
  }
}

.page-home .home-stage__title {
  margin: 0 0 22px;
  font-family: var(--ax-font-sans);
  font-weight: 900;
  font-size: clamp(30px, 4.6vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--ax-ink);
  max-width: 17ch;
}

.page-home .home-stage__facts {
  list-style: none;
  margin: 0 0 30px;
  padding: 0;
  border-top: 1px solid var(--home-rule);
}

.page-home .home-stage__facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--home-rule);
}

@media (min-width: 620px) {
  .page-home .home-stage__facts li {
    display: grid;
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

.page-home .home-stage__k {
  font-family: var(--ax-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ax-slate-mid);
}

.page-home .home-stage__v {
  font-size: 16px;
  line-height: 1.65;
  color: var(--ax-text);
}

.page-home .home-stage__v--num {
  color: var(--ax-ink);
  font-weight: 700;
}

.page-home .home-stage__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.page-home .home-stage__aside-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ax-slate-mid);
}

.page-home .home-stage__aside-note a {
  color: var(--ax-ink);
  text-decoration: none;
  border-bottom: 1px dashed var(--ax-ink-mid);
  transition: border-color 160ms var(--ax-ease);
}

.page-home .home-stage__aside-note a:hover,
.page-home .home-stage__aside-note a:focus-visible {
  border-bottom-style: solid;
  border-bottom-color: var(--ax-ink);
}

.page-home .home-stage__media {
  margin-top: 4px;
}

/* ---------- B 校对范围 ---------- */
.page-home .home-covered__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

@media (min-width: 1080px) {
  .page-home .home-covered__body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
    align-items: start;
  }
}

.page-home .home-covered__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--home-rule);
}

.page-home .home-covered__item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 20px 0;
  border-bottom: 1px solid var(--home-rule);
}

@media (min-width: 620px) {
  .page-home .home-covered__item {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 26px;
    padding: 24px 0;
  }
}

.page-home .home-covered__idx {
  font-family: var(--ax-font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ax-ink-deep);
  padding-top: 3px;
}

.page-home .home-covered__name {
  margin: 0 0 8px;
  font-family: var(--ax-font-sans);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ax-ink);
}

.page-home .home-covered__text p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ax-slate);
}

/* ---------- C 三条主线 ---------- */
.page-home .home-paths__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--home-rule);
  border: 1px solid var(--home-rule);
  border-radius: var(--ax-radius-lg);
  overflow: hidden;
}

@media (min-width: 860px) {
  .page-home .home-paths__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-home .home-path {
  background: var(--ax-white);
  padding: clamp(24px, 3vw, 34px);
  display: flex;
  flex-direction: column;
}

.page-home .home-path--amber {
  background: var(--ax-ink);
  color: var(--ax-white);
}

.page-home .home-path__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 20px;
  border-radius: var(--ax-radius-sm);
  background: var(--ax-ink);
  color: var(--ax-white);
  font-family: var(--ax-font-mono);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: background-color 160ms var(--ax-ease), color 160ms var(--ax-ease);
}

.page-home .home-path:hover .home-path__no {
  background: var(--ax-ink-mid);
}

.page-home .home-path--amber .home-path__no {
  background: var(--ax-amber);
  color: var(--ax-ink);
  transform: translateY(-6px);
}

.page-home .home-path--amber:hover .home-path__no {
  background: var(--ax-amber);
  color: var(--ax-ink);
}

.page-home .home-path__name {
  margin: 0 0 12px;
  font-family: var(--ax-font-sans);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--ax-ink);
}

.page-home .home-path--amber .home-path__name {
  color: var(--ax-white);
}

.page-home .home-path__desc {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ax-slate);
}

.page-home .home-path--amber .home-path__desc {
  color: var(--ax-slate-soft);
}

.page-home .home-path__where {
  margin: auto 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--ax-line);
  font-family: var(--ax-font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ax-slate-mid);
}

.page-home .home-path--amber .home-path__where {
  border-top-color: rgba(255, 255, 255, 0.28);
  color: rgba(255, 255, 255, 0.78);
}

/* ---------- D 会员中心 ---------- */
.page-home .home-member__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

@media (min-width: 1080px) {
  .page-home .home-member__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 52px;
    align-items: start;
  }
}

.page-home .home-member__steps {
  list-style: none;
  margin: 0 0 30px;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--home-rule);
}

.page-home .home-member__step {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 20px 0;
  border-bottom: 1px solid var(--home-rule);
}

@media (min-width: 620px) {
  .page-home .home-member__step {
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 22px;
  }
}

.page-home .home-member__no {
  font-family: var(--ax-font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--ax-slate-soft);
  letter-spacing: 0.02em;
}

.page-home .home-member__step-text h3 {
  margin: 0 0 8px;
  font-family: var(--ax-font-sans);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ax-ink);
}

.page-home .home-member__step-text p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ax-slate);
}

/* ---------- E 反馈处理 ---------- */
.page-home .home-feedback__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

@media (min-width: 1080px) {
  .page-home .home-feedback__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 52px;
    align-items: start;
  }
}

.page-home .home-feedback__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0 0 30px;
  padding: 0;
  background: var(--home-rule);
  border: 1px solid var(--home-rule);
  border-radius: var(--ax-radius-md);
  overflow: hidden;
}

.page-home .home-feedback__stat {
  background: var(--ax-white);
  padding: 18px 16px;
  margin: 0;
}

.page-home .home-feedback__stat dt {
  font-family: var(--ax-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ax-slate-mid);
  margin: 0 0 8px;
}

.page-home .home-feedback__stat dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
  color: var(--ax-ink);
  font-weight: 700;
}

.page-home .home-feedback__stat dd .ax-num {
  font-family: var(--ax-font-mono);
  font-size: 24px;
  letter-spacing: 0.02em;
}

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

.page-home .home-feedback__media::before {
  content: "";
  position: absolute;
  top: -14px;
  right: -14px;
  width: 34px;
  height: 34px;
  border: 2px solid var(--ax-amber);
  border-radius: 50%;
  border-right-color: transparent;
  transform: rotate(-32deg);
  pointer-events: none;
}

/* ---------- F 疑问与联系 ---------- */
.page-home .home-faq__list {
  margin: 0 0 28px;
  padding: 0;
  border-top: 1px solid var(--home-rule);
}

.page-home .home-faq__item {
  padding: 22px 0;
  border-bottom: 1px solid var(--home-rule);
}

.page-home .home-faq__item dt {
  margin: 0 0 10px;
  font-family: var(--ax-font-sans);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--ax-ink);
}

.page-home .home-faq__item dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ax-slate);
  max-width: 62ch;
}

.page-home .home-faq__more {
  margin-bottom: clamp(34px, 4vw, 52px);
}

.page-home .home-contact {
  padding-top: clamp(26px, 3vw, 38px);
  border-top: 1px dashed var(--ax-line);
}

.page-home .home-contact__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--home-rule);
}

.page-home .home-contact__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--home-rule);
}

.page-home .home-contact__k {
  flex: 0 0 96px;
  font-family: var(--ax-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ax-slate-mid);
}

.page-home .home-contact__v {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ax-text);
  word-break: break-all;
}

.page-home .home-contact__copy {
  margin-left: auto;
}

.page-home .home-contact__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ax-slate);
  max-width: 68ch;
}

.page-home .home-contact__note a {
  color: var(--ax-ink);
  text-decoration: none;
  border-bottom: 1px dashed var(--ax-ink-mid);
  transition: border-color 160ms var(--ax-ease);
}

.page-home .home-contact__note a:hover,
.page-home .home-contact__note a:focus-visible {
  border-bottom-style: solid;
  border-bottom-color: var(--ax-ink);
}

/* ---------- 交互与可达性 ---------- */
.page-home a:focus-visible,
.page-home button:focus-visible {
  outline: 2px solid var(--ax-ink-mid);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-home .ax-copy {
  font-family: var(--ax-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 6px 14px;
  border: 1px solid var(--ax-line);
  border-radius: var(--ax-radius-pill);
  background: transparent;
  color: var(--ax-slate);
  cursor: pointer;
  transition: color 160ms var(--ax-ease), border-color 160ms var(--ax-ease),
    background-color 160ms var(--ax-ease);
}

.page-home .ax-copy:hover {
  color: var(--ax-ink);
  border-color: var(--ax-ink);
  background: var(--ax-white);
}

.page-home .home-rail__copy {
  padding: 8px 18px;
  font-size: 13px;
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 619px) {
  .page-home .home-rail {
    padding: 18px 16px;
  }

  .page-home .home-rail__index .ax-index__link {
    font-size: 15px;
  }

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

  .page-home .home-faq__more .ax-btn,
  .page-home .home-stage__links .ax-btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .page-home .home-contact__k {
    flex: 0 0 100%;
  }

  .page-home .home-contact__copy {
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home *,
  .page-home *::before,
  .page-home *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}