.page-home {
  display: block;
  background: var(--mist-50);
}

/* ---------- 通用文字层级（限定在本页） ---------- */
.page-home h2 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(1.5rem, 2.8vw, 2.15rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  margin: 0 0 12px;
}

.page-home h3 {
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--ink-900);
  margin: 0 0 6px;
}

.page-home .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
}

.page-home .eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--teal-600);
  border-bottom: 2px solid var(--action-500);
  padding-bottom: 4px;
  margin: 0 0 14px;
}

.page-home .prose {
  color: var(--graphite-700);
  line-height: 1.75;
  margin: 0 0 8px;
}

.page-home .plate {
  background: var(--white);
  border: 1px solid var(--line-300);
}

.page-home .plate__media {
  aspect-ratio: auto;
  padding: 0;
  overflow: hidden;
  background: var(--teal-100);
}

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

.page-home .plate__caption {
  font-size: 13px;
  line-height: 1.6;
  color: var(--graphite-700);
  padding: 12px 14px;
  margin: 0;
  border-top: 1px solid var(--line-300);
}

.page-home .plate__caption .mono {
  color: var(--teal-800);
  margin-right: 6px;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  padding: 26px 0 10px;
  background: var(--mist-50);
}

.page-home .hero__context {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--teal-800);
  margin: 0 0 18px;
}

.page-home .hero__context .mono {
  color: var(--action-500);
  margin-right: 8px;
}

.page-home .hero__frame {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line-300);
  padding: clamp(22px, 4vw, 52px);
}

.page-home .hero__frame::before {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid var(--line-300);
  pointer-events: none;
}

.page-home .tick {
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid var(--action-500);
  z-index: 2;
}

.page-home .tick--tl { top: -2px; left: -2px; border-right: 0; border-bottom: 0; }
.page-home .tick--tr { top: -2px; right: -2px; border-left: 0; border-bottom: 0; }
.page-home .tick--bl { bottom: -2px; left: -2px; border-right: 0; border-top: 0; }
.page-home .tick--br { bottom: -2px; right: -2px; border-left: 0; border-top: 0; }

.page-home .hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}

.page-home .hero h1 {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  margin: 0 0 18px;
}

.page-home .hero .lede {
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  line-height: 1.75;
  color: var(--graphite-700);
  max-width: 34em;
  margin: 0;
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 0;
}

.page-home .hero__hint {
  margin: 16px 0 0;
  padding: 2px 0 2px 14px;
  border-left: 3px solid var(--action-100);
  font-size: 14px;
  line-height: 1.7;
  color: var(--teal-800);
}

.page-home .steps {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-300);
}

.page-home .steps__item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 6px 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-300);
}

.page-home .steps__num {
  font-size: 15px;
  font-weight: 500;
  color: var(--action-500);
  padding-top: 2px;
}

.page-home .steps__title {
  font-size: 16px;
  margin: 0 0 4px;
}

.page-home .steps__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--graphite-700);
}

.page-home .hero__aside {
  display: grid;
  gap: 22px;
  align-content: start;
}

.page-home .hero__facts {
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  border-top: 2px solid var(--ink-900);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.page-home .hero__facts li {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--graphite-700);
}

.page-home .hero__facts .mono {
  display: block;
  font-size: 19px;
  font-weight: 500;
  color: var(--teal-800);
  margin-bottom: 4px;
}

/* ---------- 最近使用记录 ---------- */
.page-home .recent__main h2 {
  margin-top: 0;
}

.page-home .recent__group {
  background: var(--white);
  border: 1px solid var(--line-300);
  margin-top: 16px;
}

.page-home .recent__group[open] {
  border-left: 3px solid var(--teal-600);
}

.page-home .recent__summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  padding: 15px 18px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink-900);
  transition: background-color var(--dur) var(--ease);
}

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

.page-home .recent__summary::before {
  content: "▸";
  display: inline-block;
  color: var(--action-500);
  margin-right: 10px;
  transition: transform var(--dur) var(--ease);
}

.page-home .recent__group[open] .recent__summary::before {
  transform: rotate(90deg);
}

.page-home .recent__summary:hover {
  background: var(--action-100);
}

.page-home .recent__label {
  flex: 1 1 auto;
}

.page-home .recent__meta {
  font-size: 13px;
  font-weight: 500;
  color: var(--teal-800);
}

.page-home .timeline {
  list-style: none;
  margin: 0;
  padding: 0 18px 8px 30px;
}

.page-home .timeline__row {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 2px 16px;
  padding: 12px 0 12px 4px;
  border-top: 1px solid var(--line-300);
}

.page-home .timeline__row::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 19px;
  width: 7px;
  height: 7px;
  background: var(--teal-600);
  border-radius: 50%;
}

.page-home .timeline__row::after {
  content: "";
  position: absolute;
  left: -11px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--teal-100);
}

.page-home .timeline__date {
  font-size: 12.5px;
  color: var(--teal-800);
  flex: 0 0 118px;
}

.page-home .timeline__what {
  flex: 1 1 140px;
  font-size: 15px;
  color: var(--ink-900);
}

.page-home .timeline__num {
  font-size: 12.5px;
  color: var(--graphite-700);
}

.page-home .recent__aside {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-home .sidecard {
  background: var(--white);
  border: 1px solid var(--line-300);
  border-top: 3px solid var(--action-500);
  padding: 20px 20px 22px;
}

.page-home .sidecard--teal {
  border-top-color: var(--teal-600);
}

.page-home .sidecard__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-900);
  margin: 0 0 8px;
}

.page-home .sidecard p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--graphite-700);
}

/* ---------- 四条常用路线 ---------- */
.page-home .routes__head {
  max-width: 46em;
}

.page-home .routes__figure {
  margin: 28px 0 30px;
}

.page-home .routes__figure img {
  display: block;
  width: 100%;
  max-width: 760px;
  height: auto;
}

.page-home .routes__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink-900);
}

.page-home .route {
  display: grid;
  grid-template-columns: 44px 1fr 24px;
  grid-template-areas:
    "index title go"
    "index desc go";
  gap: 4px 14px;
  padding: 20px 6px;
  border-bottom: 1px solid var(--line-300);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-home .route:hover,
.page-home .route:focus-visible {
  border-bottom-color: var(--teal-600);
  background: var(--teal-100);
}

.page-home .route__index {
  grid-area: index;
  font-size: 15px;
  color: var(--action-500);
  padding-top: 3px;
}

.page-home .route__title {
  grid-area: title;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink-900);
  transition: color var(--dur) var(--ease);
}

.page-home .route:hover .route__title {
  color: var(--teal-800);
}

.page-home .route__desc {
  grid-area: desc;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--graphite-700);
  max-width: 60em;
}

.page-home .route__go {
  grid-area: go;
  align-self: center;
  font-size: 18px;
  color: var(--line-300);
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .route:hover .route__go {
  color: var(--action-500);
  transform: translateX(4px);
}

/* ---------- 资料库目录 ---------- */
.page-home .tree {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(158px, 1fr));
  gap: 0 22px;
  border-top: 1px solid var(--line-300);
}

.page-home .tree__item {
  position: relative;
  padding: 11px 0 11px 20px;
  border-bottom: 1px solid var(--line-300);
  font-size: 15px;
  color: var(--ink-900);
  transition: color var(--dur) var(--ease);
}

.page-home .tree__item::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 20px;
  width: 11px;
  height: 1px;
  background: var(--teal-600);
}

.page-home .tree__item::after {
  content: "";
  position: absolute;
  left: 2px;
  top: 12px;
  bottom: 0;
  width: 1px;
  background: var(--teal-100);
}

.page-home .tree__item:hover {
  color: var(--teal-800);
}

.page-home .tree__note {
  margin: 22px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--graphite-700);
  padding-left: 14px;
  border-left: 3px solid var(--amber-400);
}

.page-home .tree__aside {
  align-self: start;
}

/* ---------- 下载与校验 ---------- */
.page-home .dl__figure {
  margin: 0;
}

.page-home .dlsteps {
  list-style: none;
  margin: 26px 0 26px;
  padding: 0;
  border-top: 1px solid var(--line-300);
}

.page-home .dlsteps__item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 6px 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-300);
}

.page-home .dlsteps__num {
  font-size: 15px;
  color: var(--action-500);
  padding-top: 2px;
}

.page-home .dlsteps__title {
  font-size: 16px;
}

.page-home .dlsteps__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--graphite-700);
}

/* ---------- 延伸入口 ---------- */
.page-home .more {
  background: var(--mist-50);
}

.page-home .more__title {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--teal-800);
  margin: 0 0 16px;
}

.page-home .more__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-300);
  border: 1px solid var(--line-300);
}

.page-home .more__item {
  display: block;
  background: var(--white);
  padding: 20px 20px 22px;
  text-decoration: none;
  color: inherit;
  transition: background-color var(--dur) var(--ease);
}

.page-home .more__item:hover,
.page-home .more__item:focus-visible {
  background: var(--action-100);
}

.page-home .more__name {
  display: block;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 6px;
}

.page-home .more__desc {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--graphite-700);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .more__list {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-home .route {
    grid-template-columns: 56px 200px 1fr 26px;
    grid-template-areas: "index title desc go";
    align-items: baseline;
    gap: 24px;
    padding: 22px 8px;
  }

  .page-home .route__go {
    align-self: baseline;
    padding-top: 2px;
  }
}

@media (min-width: 900px) {
  .page-home .hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: start;
  }

  .page-home .route {
    grid-template-columns: 60px 220px 1fr 26px;
    gap: 30px;
  }

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

@media (min-width: 1080px) {
  .page-home .hero {
    padding-top: 34px;
  }
}
<<<END>>>