.page-home {
  --home-hair: var(--fog);
}

.page-home .section {
  padding: 56px 0;
}

.page-home .home-sec-head {
  max-width: 62ch;
}

.page-home .home-sec-head h2 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-home .home-sec-head .lede {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 首屏 ---------- */

.page-home .home-hero {
  padding: 40px 0 8px;
}

.page-home .home-hero__inner {
  display: grid;
  gap: 40px;
  align-items: center;
}

.page-home .home-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.2vw, 64px);
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--ink);
  max-width: 18ch;
}

.page-home .home-hero__lede {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text);
}

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

.page-home .home-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 34px 0 0;
  padding: 0;
  background: var(--home-hair);
  border: 1px solid var(--home-hair);
}

.page-home .home-facts > div {
  min-width: 0;
  padding: 14px 12px;
  background: var(--card);
}

.page-home .home-facts dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--slate-deep);
}

.page-home .home-facts dd {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 3vw, 26px);
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-home .home-facts dd span {
  margin-left: 2px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--slate-deep);
}

.page-home .home-hero__visual {
  position: relative;
  min-height: 320px;
  border: 1px solid var(--home-hair);
  background:
    radial-gradient(circle at 80% 16%, rgba(233, 162, 59, 0.22), transparent 56%),
    radial-gradient(circle at 10% 88%, rgba(79, 138, 123, 0.22), transparent 54%),
    var(--ink);
  overflow: hidden;
}

.page-home .home-hero__visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(201, 211, 220, 0.16) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(201, 211, 220, 0.16) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.page-home .hero-flow {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

.page-home .hero-caption {
  position: absolute;
  left: 16px;
  bottom: 14px;
  z-index: 2;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--paper);
  opacity: 0.72;
}

/* ---------- 入口导览 ---------- */

.page-home .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.page-home .filter-btn {
  appearance: none;
  cursor: pointer;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--home-hair);
  border-radius: 2px;
  background: var(--card);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  transition: background 180ms var(--ease), border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-home .filter-btn:hover {
  border-color: var(--celadon);
}

.page-home .filter-btn[aria-pressed="true"] {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
  font-weight: 700;
}

.page-home .filter-btn:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: 2px;
}

.page-home .filter-count {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--slate-deep);
}

.page-home .filter-empty {
  margin: 18px 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--brick);
  background: var(--card);
  font-size: 15px;
  color: var(--text);
}

.page-home [data-filter-item].is-hidden {
  display: none;
}

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

.page-home .path-item {
  display: grid;
  gap: 12px;
  padding: 20px 18px;
  background: var(--card);
  border-left: 3px solid transparent;
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-home .path-item:hover {
  border-left-color: var(--amber);
  background: var(--paper);
}

.page-home .path-item__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--celadon);
}

.page-home .path-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  color: var(--ink);
}

.page-home .path-item__text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-home .path-item__link {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 0 2px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--amber);
}

.page-home .path-item__link::after {
  content: "→";
  color: var(--amber);
}

.page-home .path-item__link:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: 3px;
}

/* ---------- 栏目索引 ---------- */

.page-home .home-index__grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-home .home-index__grid h2 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-home .home-index__text {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

.page-home .index-stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 24px 0 0;
  padding: 0;
  border: 1px solid var(--home-hair);
  background: var(--home-hair);
}

.page-home .index-stats li {
  min-width: 0;
  padding: 14px;
  background: var(--card);
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate-deep);
}

.page-home .index-stats b {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-home .home-index__intro .btn {
  margin-top: 24px;
}

.page-home .home-figure {
  margin: 0;
  border: 1px solid var(--home-hair);
  background: var(--card);
}

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

.page-home .home-figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--home-hair);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.08em;
  color: var(--slate-deep);
}

.page-home .index-mosaic {
  display: grid;
  gap: 14px;
  margin-top: 32px;
}

.page-home .idx-card {
  border: 1px solid var(--home-hair);
  border-top: 3px solid var(--ink);
  background: var(--card);
  transition: border-top-color 180ms var(--ease);
}

.page-home .idx-card[open] {
  border-top-color: var(--amber);
}

.page-home .idx-card summary {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 44px 16px 18px;
  cursor: pointer;
  list-style: none;
}

.page-home .idx-card summary::-webkit-details-marker {
  display: none;
}

.page-home .idx-card summary::after {
  content: "+";
  position: absolute;
  top: 14px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--amber);
}

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

.page-home .idx-card summary:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: -2px;
}

.page-home .idx-card__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--celadon);
}

.page-home .idx-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
}

.page-home .idx-card__body {
  margin: 0;
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

.page-home .tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.page-home .tag {
  display: inline-block;
  padding: 5px 10px;
  border: 1px solid var(--home-hair);
  border-radius: 2px;
  background: var(--card);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--slate-deep);
}

.page-home .tag--celadon {
  border-color: rgba(79, 138, 123, 0.45);
  background: rgba(79, 138, 123, 0.12);
  color: var(--deep-celadon);
}

.page-home .tag--muted {
  background: transparent;
  border-style: dashed;
}

/* ---------- 更新节奏 ---------- */

.page-home .rhythm-bar {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  margin-top: 26px;
  border-top: 1px solid var(--home-hair);
}

.page-home .rhythm-day {
  position: relative;
  padding: 12px 2px 10px;
  border-bottom: 1px solid var(--home-hair);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--slate-deep);
}

.page-home .rhythm-day--on {
  border-bottom: 3px solid var(--amber);
  background: rgba(233, 162, 59, 0.16);
  color: var(--ink);
  font-weight: 700;
}

.page-home .home-rhythm__grid {
  display: grid;
  gap: 28px;
  margin-top: 30px;
  align-items: start;
}

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

.page-home .update-item {
  padding: 18px 18px 20px;
  background: var(--card);
}

.page-home .update-item__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--celadon);
}

.page-home .update-item__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
}

.page-home .update-item__text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-home .home-rhythm__foot {
  margin: 26px 0 0;
}

/* ---------- 大屏阅读 ---------- */

.page-home .home-screen {
  background: var(--ink);
  color: var(--paper);
}

.page-home .home-screen__grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-home .home-screen .eyebrow {
  color: var(--glow);
}

.page-home .home-screen h2 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .home-screen .lede {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--fog);
}

.page-home .home-screen .home-figure {
  border-color: rgba(201, 211, 220, 0.28);
  background: var(--harbor);
}

.page-home .home-screen .home-figure figcaption {
  border-top-color: rgba(201, 211, 220, 0.28);
  color: var(--fog);
}

.page-home .screen-metrics {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 24px 0 0;
  padding: 0;
  border: 1px solid rgba(201, 211, 220, 0.24);
  background: rgba(201, 211, 220, 0.24);
}

.page-home .screen-metrics li {
  padding: 14px 16px;
  background: var(--harbor);
  font-size: 14px;
  line-height: 1.7;
  color: var(--fog);
}

.page-home .screen-metrics b {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .home-screen__note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-home .home-screen__copy .btn {
  margin-top: 22px;
}

/* ---------- 使用指南 ---------- */

.page-home .home-guide__grid {
  display: grid;
  gap: 28px;
  margin-top: 30px;
  align-items: start;
}

.page-home .guide-list {
  display: grid;
  gap: 14px;
}

.page-home .guide-card {
  padding: 16px 18px 18px;
  border: 1px solid var(--home-hair);
  border-left: 3px solid var(--celadon);
  background: var(--card);
}

.page-home .guide-card__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--slate-deep);
}

.page-home .guide-card__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
}

.page-home .guide-card__text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-home .home-guide__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-home .home-trust {
  display: grid;
  gap: 12px;
  margin-top: 34px;
  padding: 20px 22px;
  border-top: 3px solid var(--amber);
  background: var(--card);
}

.page-home .home-trust__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-home .home-trust__link {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--celadon);
}

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

/* ---------- 断点 ---------- */

@media (min-width: 700px) {
  .page-home .guide-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .home-trust {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 24px;
  }

  .page-home .rhythm-day {
    font-size: 11px;
    letter-spacing: 0.08em;
  }
}

@media (min-width: 820px) {
  .page-home .section {
    padding: 80px 0;
  }

  .page-home .path-item {
    grid-template-columns: 72px minmax(0, 1fr) 176px;
    align-items: center;
    gap: 22px;
    padding: 24px 26px;
  }

  .page-home .path-item__num {
    font-size: 13px;
  }

  .page-home .path-item__link {
    justify-self: end;
  }

  .page-home .home-rhythm__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 32px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-home .home-hero {
    padding-top: 56px;
  }

  .page-home .home-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 56px;
  }

  .page-home .home-hero__visual {
    min-height: 460px;
  }

  .page-home .home-index__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
  }

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

  .page-home .home-guide__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 40px;
  }

  .page-home .index-mosaic {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 14px;
  }

  .page-home .idx-card:nth-child(1) { grid-column: span 5; }
  .page-home .idx-card:nth-child(2) { grid-column: span 4; }
  .page-home .idx-card:nth-child(3) { grid-column: span 3; }
  .page-home .idx-card:nth-child(4) { grid-column: span 4; }
  .page-home .idx-card:nth-child(5) { grid-column: span 5; }
  .page-home .idx-card:nth-child(6) { grid-column: span 3; }
}

@media (min-width: 1280px) {
  .page-home .home-hero__title {
    font-size: clamp(44px, 4.4vw, 68px);
  }

  .page-home .idx-card__title {
    font-size: 19px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .filter-btn,
  .page-home .path-item,
  .page-home .idx-card {
    transition: none;
  }
}