.page-home {
  --home-rail: 220px;
  --home-panel: 282px;
  --home-line: 1px solid var(--mist);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-home img {
  max-width: 100%;
  height: auto;
}

/* ---------- 上下文条 ---------- */
.page-home .home-ctx {
  border-bottom: var(--home-line);
  background: var(--paper);
}

.page-home .home-ctx__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 18px;
  padding-block: 13px;
}

.page-home .home-ctx__path {
  margin: 0;
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink);
}

.page-home .home-ctx__note {
  margin: 0;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ---------- 框景首屏 ---------- */
.page-home .hero {
  padding-block: clamp(18px, 3vw, 34px) 0;
}

.page-home .hero__frame {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 40px);
  padding: clamp(22px, 4.2vw, 46px);
  border: 1px solid var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow-card);
}

.page-home .hero__frame::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 8px;
  background: repeating-linear-gradient(90deg, var(--ink) 0 1px, transparent 1px 15px);
  opacity: .38;
}

.page-home .hero__frame::after {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 58px;
  height: 58px;
  border-top: 4px solid var(--orange);
  border-left: 4px solid var(--orange);
  pointer-events: none;
}

.page-home .hero__kicker {
  margin: 0;
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-home .hero__title {
  margin: 12px 0 16px;
  font-family: var(--font-display);
  font-size: clamp(32px, 7vw, 62px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -.015em;
  color: var(--ink);
}

.page-home .hero__lede {
  margin: 0;
  max-width: 34em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-home .hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px 20px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  border-top: var(--home-line);
  list-style: none;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.page-home .hero__num {
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-num);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-home .hero__media {
  margin: 0;
  align-self: end;
}

.page-home .hero__media img {
  display: block;
  width: 100%;
  border: 1px solid var(--ink);
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.page-home .hero__caption {
  margin-top: 9px;
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--ink-soft);
}

/* ---------- 三栏工作台 ---------- */
.page-home .desk {
  padding-block: clamp(30px, 5vw, 60px) 0;
}

.page-home .desk__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  padding-top: 18px;
  border-top: 3px solid var(--ink);
}

.page-home .col-index,
.page-home .col-matrix {
  padding: clamp(16px, 2.6vw, 24px);
  background: #FFFFFF;
  border: var(--home-line);
  box-shadow: var(--shadow-card);
}

.page-home .col-kicker {
  margin: 0;
  font-family: var(--font-num);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.page-home .col-kicker--light {
  color: rgba(247, 245, 239, .62);
}

.page-home .col-title {
  margin: 7px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.6vw, 27px);
  font-weight: 700;
  line-height: 1.28;
  color: var(--ink);
}

.page-home .col-note {
  margin: 0 0 16px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* 左栏索引 */
.page-home .idx-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .idx-item + .idx-item {
  border-top: var(--home-line);
}

.page-home .idx-link {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 2px 10px;
  padding: 11px 8px 11px 10px;
  border-left: 3px solid transparent;
  color: inherit;
  text-decoration: none;
  transition: border-color .18s ease, background-color .18s ease;
}

.page-home .idx-link:hover,
.page-home .idx-link:focus-visible {
  border-left-color: var(--orange);
  background: var(--warm);
  outline: none;
}

.page-home .idx-link:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-home .idx-num {
  font-family: var(--font-num);
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--orange);
  padding-top: 2px;
}

.page-home .idx-name {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-home .idx-desc {
  grid-column: 2;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--ink-soft);
}

.page-home .idx-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 16px 0 0;
  padding-top: 13px;
  border-top: var(--home-line);
}

.page-home .idx-mini {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--mist);
  padding-bottom: 1px;
}

.page-home .idx-mini:hover,
.page-home .idx-mini:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* 中栏分类矩阵 */
.page-home .matrix-figure {
  margin: 0 0 16px;
}

.page-home .matrix-figure img {
  display: block;
  width: 100%;
  border: 1px solid var(--mist);
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-home .matrix-caption {
  margin-top: 8px;
  font-size: 11.5px;
  color: var(--ink-soft);
}

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

.page-home .cat-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 13px 14px 10px;
  background: var(--paper);
  border: 1px solid var(--mist);
  border-top: 2px solid var(--ink);
  box-shadow: var(--shadow-card);
  transition: border-color .18s ease, box-shadow .18s ease;
}

.page-home .cat-card:hover {
  border-color: var(--orange);
  border-top-color: var(--orange);
}

.page-home .cat-card__head {
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.page-home .cat-card__num {
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .06em;
  color: var(--orange);
}

.page-home .cat-card__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}

.page-home .cat-card__meta {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--ink-soft);
}

.page-home .cat-card__state {
  margin: 0;
  font-size: 11.5px;
  color: var(--ink-soft);
}

.page-home .dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 6px;
  border-radius: 50%;
  vertical-align: 1px;
}

.page-home .dot--teal { background: var(--teal); }
.page-home .dot--violet { background: var(--violet); }

.page-home .cat-card__more {
  margin-top: 3px;
}

.page-home .cat-card__more summary {
  padding-top: 8px;
  border-top: 1px dashed var(--mist);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--ink-soft);
  cursor: pointer;
  list-style: none;
}

.page-home .cat-card__more summary::-webkit-details-marker { display: none; }

.page-home .cat-card__more summary::after {
  content: " +";
  font-weight: 700;
  color: var(--orange);
}

.page-home .cat-card__more[open] summary::after {
  content: " −";
}

.page-home .cat-card__more summary:hover {
  color: var(--ink);
}

.page-home .cat-card__more summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-home .cat-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 9px 0 2px;
  padding: 0;
  list-style: none;
}

.page-home .cat-card__tags .tag {
  font-size: 11px;
}

.page-home .matrix-more {
  margin: 18px 0 0;
}

/* 右栏状态面板 */
.page-home .col-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 2.6vw, 24px);
  border: 1px solid var(--blue);
  background: linear-gradient(158deg, var(--blue) 0%, var(--deep) 100%);
  color: var(--paper);
  box-shadow: var(--shadow-card);
}

.page-home .col-panel__bg {
  position: absolute;
  inset: 0;
  opacity: .2;
  pointer-events: none;
}

.page-home .col-panel__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .col-panel__body {
  position: relative;
  z-index: 1;
}

.page-home .panel__title {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 25px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--paper);
}

.page-home .panel__note {
  margin: 0 0 16px;
  font-size: 12.5px;
  line-height: 1.75;
  color: rgba(247, 245, 239, .74);
}

.page-home .panel__list {
  margin: 0 0 16px;
}

.page-home .panel__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(247, 245, 239, .16);
  font-size: 12px;
}

.page-home .panel__row:first-child {
  border-top: 1px solid rgba(247, 245, 239, .16);
}

.page-home .panel__row dt {
  color: rgba(247, 245, 239, .6);
  letter-spacing: .06em;
  white-space: nowrap;
}

.page-home .panel__row dd {
  margin: 0;
  text-align: right;
  color: var(--paper);
  line-height: 1.6;
}

.page-home .chip {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 8px;
  border: 1px solid rgba(247, 245, 239, .38);
  font-family: var(--font-num);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .06em;
  color: rgba(247, 245, 239, .78);
}

.page-home .chip--on {
  border-color: var(--orange);
  background: var(--orange);
  color: var(--ink);
  font-weight: 800;
}

.page-home .panel__status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin: 0 0 16px;
  padding: 11px 0 0;
  border-top: 1px solid rgba(247, 245, 239, .16);
  list-style: none;
  font-size: 11.5px;
  color: rgba(247, 245, 239, .8);
}

.page-home .panel__ver {
  font-family: var(--font-num);
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--teal);
}

.page-home .panel__foot {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: rgba(247, 245, 239, .78);
}

.page-home .panel__link {
  color: var(--orange);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
}

.page-home .panel__link:hover,
.page-home .panel__link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 笔记与问答 ---------- */
.page-home .feed {
  padding-block: clamp(34px, 6vw, 70px) 0;
}

.page-home .feed__head {
  padding-bottom: 15px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--ink);
}

.page-home .feed__note {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-home .feed__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-home .feed__col-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
}

.page-home .feed__col-title a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 2px;
}

.page-home .feed__col-title a:hover,
.page-home .feed__col-title a:focus-visible {
  color: var(--orange);
}

.page-home .feed-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--home-line);
}

.page-home .feed-list li {
  border-bottom: var(--home-line);
}

.page-home .feed-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 3px 12px;
  padding: 14px 4px;
  color: inherit;
  text-decoration: none;
  transition: background-color .18s ease;
}

.page-home .feed-item:hover,
.page-home .feed-item:focus-visible {
  background: var(--warm);
  outline: none;
}

.page-home .feed-item:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
}

.page-home .feed-num {
  grid-row: span 2;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--mist);
}

.page-home .feed-item:hover .feed-num {
  color: var(--orange);
}

.page-home .feed-time {
  font-family: var(--font-num);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.page-home .feed-title {
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}

.page-home .feed-tag {
  grid-column: 2;
  margin-top: 4px;
  justify-self: start;
  padding: 2px 8px;
  border: 1px solid var(--mist);
  background: var(--paper);
  font-size: 10.5px;
  letter-spacing: .08em;
  color: var(--ink-soft);
}

.page-home .feed-list--qa .feed-num {
  font-family: var(--font-num);
  font-size: 15px;
  color: var(--violet);
}

/* ---------- 联系信息带 ---------- */
.page-home .reach {
  padding-block: clamp(34px, 6vw, 70px) clamp(40px, 7vw, 84px);
}

.page-home .reach__figure {
  margin: 0 0 -1px;
}

.page-home .reach__figure img {
  display: block;
  width: 100%;
  border: 2px solid var(--ink);
  border-bottom: 0;
  object-fit: cover;
  aspect-ratio: 3 / 1;
}

.page-home .reach__band {
  border: 2px solid var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow-card);
}

.page-home .reach__title {
  margin: 0;
  padding: 16px clamp(16px, 3vw, 28px) 12px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 700;
  color: var(--ink);
  border-bottom: var(--home-line);
}

.page-home .reach__row--one {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  padding: 4px clamp(16px, 3vw, 28px) 10px;
}

.page-home .reach__cell {
  margin: 0;
  padding: 10px 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink);
  border-bottom: 1px dotted var(--mist);
}

.page-home .reach__cell:last-child {
  border-bottom: 0;
}

.page-home .reach__key {
  display: block;
  font-family: var(--font-num);
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.page-home .reach__cell a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
}

.page-home .reach__cell a:hover,
.page-home .reach__cell a:focus-visible {
  color: var(--orange);
}

.page-home .reach__row--two {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding: 16px clamp(16px, 3vw, 28px);
  background: var(--orange);
  border-top: 2px solid var(--ink);
  color: var(--ink);
}

.page-home .reach__lead {
  margin: 0;
  flex: 1 1 260px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.7;
}

.page-home .reach__cta {
  display: inline-block;
  padding: 11px 20px;
  background: var(--ink);
  color: var(--paper);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-decoration: none;
  border: 2px solid var(--ink);
  transition: background-color .18s ease, color .18s ease;
}

.page-home .reach__cta:hover,
.page-home .reach__cta:focus-visible {
  background: var(--paper);
  color: var(--ink);
  outline: none;
}

.page-home .reach__cta:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-home .hero__frame {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-home .desk__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 20px;
  }

  .page-home .col-matrix {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .page-home .col-panel {
    grid-column: 1 / -1;
  }

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

  .page-home .reach__row--one {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 28px;
  }

  .page-home .feed__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
  }
}

/* ---------- 桌面三栏 ---------- */
@media (min-width: 1080px) {
  .page-home .desk__grid {
    grid-template-columns: var(--home-rail) minmax(0, 1fr) var(--home-panel);
    align-items: start;
    gap: 24px;
  }

  .page-home .col-index {
    grid-column: 1;
    grid-row: 1;
    position: sticky;
    top: 20px;
  }

  .page-home .col-matrix {
    grid-column: 2;
    grid-row: 1;
  }

  .page-home .col-panel {
    grid-column: 3;
    grid-row: 1;
  }

  .page-home .cat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .cat-card--wide {
    grid-column: span 2;
  }

  .page-home .cat-card--wide .cat-card__tags {
    max-width: 30ch;
  }

  .page-home .reach__row--one {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .feed__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 52px;
  }
}

@media (min-width: 1320px) {
  .page-home .desk__grid {
    gap: 32px;
  }
}

/* ---------- 减少动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .idx-link,
  .page-home .cat-card,
  .page-home .feed-item,
  .page-home .reach__cta {
    transition: none;
  }
}
<<<END>>>