.page-home {
  --home-num: clamp(2.5rem, 7.4vw, 5.5rem);
  --home-gap: clamp(34px, 5.6vw, 64px);
  display: block;
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 面包屑 ---------- */
.page-home .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  padding: 14px 0 0;
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--mute);
}
.page-home .crumbs__sep {
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  margin: 18px 0 var(--home-gap);
  padding: clamp(26px, 4.6vw, 50px) clamp(20px, 4vw, 46px);
  border: 1px solid var(--line);
  background:
    radial-gradient(130% 100% at 100% 0%, rgba(46, 110, 158, .16), rgba(46, 110, 158, 0) 60%),
    linear-gradient(165deg, var(--glacier-tint) 0%, rgba(227, 238, 246, .5) 42%, var(--paper) 82%);
}
.page-home .home-hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg,
    var(--red) 0 33.33%,
    var(--fir) 33.33% 66.66%,
    var(--glacier) 66.66% 100%);
}
.page-home .home-hero__kicker {
  display: inline-block;
  margin: 0 0 18px;
  padding: 5px 11px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--fir);
  background: var(--fir-tint);
  border: 1px solid var(--fir);
  box-shadow: 2px 2px 0 var(--fir);
}
.page-home .home-hero__title {
  margin: 0 0 16px;
  max-width: 17em;
  font-size: clamp(1.75rem, 5.2vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.012em;
  color: var(--ink);
  overflow-wrap: break-word;
}
.page-home .home-hero__lead {
  margin: 0;
  max-width: 42em;
  font-size: clamp(1rem, 1.4vw, 1.0625rem);
  line-height: 1.8;
  color: var(--mute);
}

/* ---------- 两条路径 ---------- */
.page-home .home-paths__title {
  margin: 0 0 18px;
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  font-weight: 800;
  color: var(--ink);
}
.page-home .home-path-grid {
  display: grid;
  gap: 1px;
  background-color: var(--line);
  border: 1px solid var(--line);
  margin-bottom: clamp(20px, 3vw, 30px);
}
.page-home .home-path {
  display: block;
  position: relative;
  padding: clamp(22px, 3.2vw, 34px);
  background: var(--sheet);
  color: inherit;
  text-decoration: none;
  transition: background var(--dur) var(--ease);
}
.page-home .home-path--old {
  background: var(--glacier-tint);
}
.page-home .home-path:hover,
.page-home .home-path:focus-visible {
  background: var(--fir-tint);
}
.page-home .home-path__num {
  display: block;
  margin-bottom: 12px;
  font-size: var(--home-num);
  font-weight: 800;
  line-height: .82;
  letter-spacing: -.045em;
  font-variant-numeric: tabular-nums;
  color: var(--fir);
}
.page-home .home-path--old .home-path__num {
  color: var(--glacier);
}
.page-home .home-path__label {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 9px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--red);
  background: var(--sheet);
  border: 1px solid var(--red);
  box-shadow: 2px 2px 0 var(--red);
}
.page-home .home-path--old .home-path__label {
  color: var(--glacier);
  border-color: var(--glacier);
  box-shadow: 2px 2px 0 var(--glacier);
}
.page-home .home-path__name {
  display: block;
  margin-bottom: 10px;
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink);
}
.page-home .home-path__desc {
  display: block;
  margin-bottom: 16px;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--mute);
}
.page-home .home-path__time {
  display: inline-block;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--mute);
  font-variant-numeric: tabular-nums;
}
.page-home .home-paths__figure {
  margin: 0;
}

/* ---------- 章节通用 ---------- */
.page-home .home-sec {
  margin-top: var(--home-gap);
  padding-top: clamp(22px, 3.2vw, 34px);
  border-top: 1px solid var(--line);
}
.page-home .sec-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(20px, 3vw, 30px);
}
.page-home .sec-head .sec-num {
  font-size: var(--home-num);
  font-weight: 800;
  line-height: .84;
  letter-spacing: -.045em;
  font-variant-numeric: tabular-nums;
  color: var(--fir);
}
.page-home .sec-head__title {
  margin: 0 0 10px;
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--ink);
}
.page-home .sec-head__lead {
  margin: 0;
  max-width: 40em;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--mute);
}
.page-home .home-sec__figure {
  margin: 0 0 clamp(20px, 3vw, 28px);
}
.page-home .home-sec__foot {
  margin: clamp(20px, 3vw, 28px) 0 0;
}
.page-home .home-sec--tint {
  padding: clamp(24px, 3.6vw, 38px) clamp(18px, 3vw, 34px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, var(--glacier-tint) 0%, rgba(227, 238, 246, .35) 55%, var(--paper) 100%);
}
.page-home .home-sec--panel {
  padding: clamp(24px, 3.6vw, 38px) 0 0;
}

/* ---------- 入口索引 ---------- */
.page-home .home-entries {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-home .home-entry {
  border-bottom: 1px solid var(--line);
}
.page-home .home-entry__link {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 4px;
  color: inherit;
  text-decoration: none;
  transition: background var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}
.page-home .home-entry__link:hover,
.page-home .home-entry__link:focus-visible {
  background: var(--fir-tint);
  padding-left: 12px;
}
.page-home .home-entry__num {
  flex: none;
  min-width: 2.4ch;
  font-size: clamp(1.35rem, 3.4vw, 2rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
  color: var(--fir);
}
.page-home .home-entry__text {
  flex: 1 1 auto;
  min-width: 0;
}
.page-home .home-entry__name {
  display: block;
  margin-bottom: 6px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ink);
}
.page-home .home-entry__desc {
  display: block;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--mute);
  overflow-wrap: break-word;
}
.page-home .home-entry__cta {
  flex: none;
  align-self: center;
  font-size: 1.1rem;
  color: var(--fir);
  transition: transform var(--dur) var(--ease);
}
.page-home .home-entry__link:hover .home-entry__cta,
.page-home .home-entry__link:focus-visible .home-entry__cta {
  transform: translateX(4px);
}

/* ---------- 新用户三步 ---------- */
.page-home .home-steps {
  margin: 0;
}
.page-home .home-steps .steps__item {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.page-home .home-steps .steps__item:first-child {
  border-top: 1px solid var(--line);
}
.page-home .home-steps .steps__box {
  width: 26px;
  height: 26px;
  margin-top: 2px;
  padding: 0;
  background: var(--sheet);
  border: 1px solid var(--fir);
  cursor: pointer;
  position: relative;
  transition: background var(--dur) var(--ease);
}
.page-home .home-steps .steps__box::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  width: 11px;
  height: 2px;
  background: var(--fir);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}
.page-home .home-steps .steps__item.is-done .steps__box {
  background: var(--fir-tint);
}
.page-home .home-steps .steps__item.is-done .steps__box::after {
  opacity: 1;
}
.page-home .home-steps .steps__body {
  min-width: 0;
}
.page-home .home-steps .steps__title {
  margin: 0 0 8px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ink);
}
.page-home .home-steps .steps__body p:last-child {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--mute);
}
.page-home .home-steps .steps__item.is-done .steps__title {
  color: var(--mute);
  text-decoration: line-through;
  text-decoration-color: var(--line);
}
.page-home .home-steps__progress {
  margin: 16px 0 0;
  font-size: 12.5px;
  letter-spacing: .06em;
  font-variant-numeric: tabular-nums;
  color: var(--fir);
}

/* ---------- 更新记录时间线 ---------- */
.page-home .home-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 24px;
  position: relative;
}
.page-home .home-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: var(--line);
}
.page-home .home-timeline__item {
  position: relative;
  padding: 4px 0 22px;
}
.page-home .home-timeline__item:last-child {
  padding-bottom: 0;
}
.page-home .home-timeline__item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 10px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--sheet);
  border: 2px solid var(--line);
}
.page-home .home-timeline__item--live::before {
  background: var(--red);
  border-color: var(--red);
}
.page-home .home-timeline__era {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  font-variant-numeric: tabular-nums;
  color: var(--mute);
}
.page-home .home-timeline__item--live .home-timeline__era {
  color: var(--red);
}
.page-home .home-timeline__title {
  display: block;
  margin-bottom: 6px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ink);
}
.page-home .home-timeline__desc {
  display: block;
  max-width: 40em;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--mute);
}

/* ---------- 公告栏 ---------- */
.page-home .home-ann {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 1px;
  background-color: var(--line);
  border: 1px solid var(--line);
}
.page-home .home-ann__item {
  display: grid;
  gap: 10px;
  padding: 18px 20px;
  background: var(--glacier-tint);
}
.page-home .home-ann__text {
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ink);
}
.page-home .home-ann__more {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--mute);
}
.page-home .home-ann__more a {
  color: var(--glacier);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 为什么打开就能用 ---------- */
.page-home .home-why {
  display: grid;
  gap: 1px;
  background-color: var(--line);
  border: 1px solid var(--line);
}
.page-home .home-why__list {
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--sheet);
}
.page-home .home-why__row {
  display: grid;
  gap: 6px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
}
.page-home .home-why__row:last-child {
  border-bottom: 0;
}
.page-home .home-why__key {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--fir);
}
.page-home .home-why__val {
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ink);
}
.page-home .home-why__side {
  padding: 22px;
  background: var(--fir-tint);
}
.page-home .home-why__side-title {
  margin: 0 0 10px;
  font-size: 1rem;
  font-weight: 800;
  color: var(--fir);
}
.page-home .home-why__side-text {
  margin: 0 0 18px;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ink);
}
.page-home .home-why__tail {
  margin: clamp(20px, 3vw, 26px) 0 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--mute);
}
.page-home .home-why__tail a {
  color: var(--glacier);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 图片容器 ---------- */
.page-home .media-frame {
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--sheet);
}
.page-home .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-home .media-frame__caption {
  margin: 10px 2px 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mute);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .home-path-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-home .sec-head {
    grid-template-columns: auto 1fr;
    gap: 22px;
    align-items: start;
  }
  .page-home .sec-head .sec-num {
    min-width: 2.2ch;
  }
}

@media (min-width: 900px) {
  .page-home .home-why {
    grid-template-columns: 1.2fr .8fr;
  }
  .page-home .home-why__list .home-why__row:last-child {
    border-bottom: 0;
  }
  .page-home .home-ann__item {
    grid-template-columns: 92px 1fr;
    gap: 18px;
    align-items: start;
    padding: 20px 26px;
  }
}

@media (max-width: 520px) {
  .page-home .home-entry__link {
    gap: 12px;
    padding: 18px 2px;
  }
  .page-home .home-entry__cta {
    align-self: flex-end;
    font-size: .9rem;
  }
  .page-home .home-path__num {
    font-size: clamp(2.6rem, 16vw, 3.4rem);
  }
  .page-home .home-why__row,
  .page-home .home-why__side {
    padding: 16px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-path,
  .page-home .home-entry__link,
  .page-home .home-entry__cta,
  .page-home .home-steps .steps__box {
    transition: none;
  }
  .page-home .home-entry__link:hover .home-entry__cta,
  .page-home .home-entry__link:focus-visible .home-entry__cta {
    transform: none;
  }
}
</main>