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

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

.page-home a:focus-visible,
.page-home button:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 2px;
}

.page-home .sec-title {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 5.2vw, 44px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .section-head {
  max-width: 760px;
  margin-bottom: 28px;
}

.page-home .breadcrumb {
  margin-bottom: 28px;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  padding-top: 32px;
  border-bottom: 1px solid var(--line-gold-soft);
}

.page-home .hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  align-items: start;
}

.page-home .hero__spine {
  display: none;
}

.page-home .hero__title {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 10.5vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 12em;
}

.page-home .hero__lede {
  max-width: 34em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-body);
}

.page-home .hero__index {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-gold-soft);
}

.page-home .hero__index li {
  border-bottom: 1px solid var(--line-gold-soft);
}

.page-home .hero__index a {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 13px 6px;
  text-decoration: none;
  color: var(--paper);
  transition: background-color var(--ease), box-shadow var(--ease);
}

.page-home .hero__index a:hover,
.page-home .hero__index a:focus-visible {
  background: rgba(201, 162, 39, 0.08);
  box-shadow: inset 3px 0 0 0 var(--gold-a);
}

.page-home .idx-letter {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--gold-a);
}

.page-home .idx-body {
  display: block;
}

.page-home .idx-name {
  display: block;
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: 0.01em;
}

.page-home .idx-desc {
  display: block;
  margin-top: 2px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

.page-home .hero__cover {
  position: relative;
  padding-bottom: 26px;
}

.page-home .hero__cover img {
  width: 100%;
  border: 1px solid var(--line-gold);
  box-shadow: var(--shadow-card);
  object-fit: cover;
  aspect-ratio: 16 / 10;
}

.page-home .seal {
  position: absolute;
  left: 14px;
  bottom: 0;
  width: 96px;
  height: 96px;
  animation: home-seal-spin 8s linear infinite;
  transform-origin: 50% 50%;
}

.page-home .seal:hover {
  animation-duration: 2.4s;
}

@keyframes home-seal-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ---------- 三条主线 ---------- */
.page-home .lines__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-home .lines__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-home .line-card {
  position: relative;
  padding: 20px 20px 18px;
  background: var(--ink-mid);
  border: 1px solid var(--line-slate);
  border-top: 2px solid var(--gold-a);
  box-shadow: var(--shadow-card);
}

.page-home .line-card__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 40px;
  line-height: 1;
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, var(--gold-a), var(--gold-b));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-home .line-card__title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--paper);
}

.page-home .line-card__text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-body);
}

.page-home .line-card__link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold-b);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  padding-bottom: 2px;
  transition: color var(--ease), border-color var(--ease);
}

.page-home .line-card__link:hover {
  color: var(--cinnabar);
  border-color: var(--cinnabar);
}

.page-home .lines__figure {
  margin: 0;
}

.page-home .lines__figure .figure__img {
  width: 100%;
  border: 1px solid var(--line-gold-soft);
  object-fit: cover;
}

.page-home .lines__figure .figure__cap {
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 索引速查表 ---------- */
.page-home .index-table__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-body);
}

.page-home .table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line-gold-soft);
}

.page-home .quick-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-home .quick-table__cap {
  caption-side: top;
  text-align: left;
  padding: 14px 16px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--slate);
}

.page-home .quick-table th,
.page-home .quick-table td {
  text-align: left;
  padding: 13px 12px;
  border-bottom: 1px solid var(--line-slate);
  vertical-align: top;
}

.page-home .quick-table thead th {
  background: rgba(46, 139, 139, 0.18);
  border-bottom: 1px solid var(--gold-a);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--paper);
  white-space: nowrap;
}

.page-home .quick-table tbody th {
  font-weight: 400;
}

.page-home .quick-table tbody th a {
  display: block;
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--paper);
  text-decoration: none;
  transition: color var(--ease);
}

.page-home .quick-table tbody th a:hover {
  color: var(--gold-b);
}

.page-home .quick-table .row-note {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--slate);
}

.page-home .quick-table td {
  color: var(--text-body);
}

.page-home .quick-table .mono-cell {
  font-family: var(--font-mono);
}

.page-home .quick-table .num {
  text-align: right;
  color: var(--gold-b);
  font-size: 17px;
}

.page-home .quick-table tbody tr:hover th,
.page-home .quick-table tbody tr:hover td {
  background: rgba(201, 162, 39, 0.07);
  border-top: 1px solid var(--line-gold);
  border-bottom: 1px solid var(--line-gold);
}

.page-home .quick-table tbody tr:last-child th,
.page-home .quick-table tbody tr:last-child td {
  border-bottom: none;
}

/* ---------- 记录周期 ---------- */
.page-home .cycle {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line-gold-soft);
  border-bottom: 1px solid var(--line-gold-soft);
  background: var(--ink-mid);
}

.page-home .cycle__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  pointer-events: none;
}

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

.page-home .cycle__nodes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-gold);
  border-left: 1px solid var(--line-gold);
}

.page-home .cycle__node {
  display: block;
  padding: 18px 14px 16px;
  text-decoration: none;
  border-right: 1px solid var(--line-gold);
  border-bottom: 1px solid var(--line-gold);
  color: var(--text-body);
  transition: background-color var(--ease), box-shadow var(--ease);
}

.page-home .cycle__node:hover,
.page-home .cycle__node:focus-visible {
  background: rgba(201, 162, 39, 0.1);
  box-shadow: inset 0 0 0 1px var(--gold-a);
}

.page-home .cycle__node.is-default {
  background: linear-gradient(180deg, rgba(201, 162, 39, 0.16), rgba(201, 162, 39, 0.02));
}

.page-home .cycle__days {
  display: block;
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  color: var(--paper);
  letter-spacing: -0.02em;
}

.page-home .cycle__unit {
  margin-left: 4px;
  font-size: 13px;
  color: var(--gold-b);
}

.page-home .cycle__label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-home .cycle__panels {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.page-home .cycle__panel {
  padding: 16px 18px;
  background: rgba(11, 27, 58, 0.55);
  border: 1px solid var(--line-slate);
  scroll-margin-top: calc(var(--bar-h) + 24px);
  transition: border-color var(--ease), box-shadow var(--ease);
}

.page-home .cycle__panel.is-default {
  border-color: var(--line-gold);
}

.page-home .cycle__panel:target {
  border-color: var(--gold-b);
  box-shadow: inset 0 0 0 1px var(--gold-b);
}

.page-home .cycle__panel h3 {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--gold-b);
}

.page-home .cycle__panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-body);
}

/* ---------- 首次访问三步 ---------- */
.page-home .visit {
  background: var(--paper);
  color: var(--ink);
}

.page-home .visit .sec-title {
  color: var(--ink);
}

.page-home .visit__eyebrow {
  color: #8A6A12;
}

.page-home .visit__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
  counter-reset: none;
}

.page-home .visit__step {
  padding: 18px 18px 16px;
  border: 1px solid rgba(28, 26, 23, 0.16);
  border-left: 3px solid var(--gold-a);
  background: rgba(255, 255, 255, 0.55);
}

.page-home .visit__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: #8A6A12;
}

.page-home .visit__title {
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--ink);
}

.page-home .visit__step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #3A362F;
}

.page-home .visit__tip {
  margin-top: 24px;
  padding: 16px 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  justify-content: space-between;
  border: 1px dashed var(--gold-a);
}

.page-home .visit__tip-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: #3A362F;
}

.page-home .visit__tip kbd {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 2px 6px;
  border: 1px solid var(--line-gold);
  background: rgba(201, 162, 39, 0.14);
  color: var(--ink);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-home .section {
    padding-block: 72px;
  }

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

  .page-home .hero__index a {
    padding: 14px 12px;
  }

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

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

@media (min-width: 1024px) {
  .page-home .hero {
    padding-top: 40px;
  }

  .page-home .hero__grid {
    grid-template-columns: 120px minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 44px;
  }

  .page-home .hero__spine {
    display: flex;
    flex-direction: column;
    gap: 18px;
  }

  .page-home .hero__spine img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border: 1px solid var(--line-gold-soft);
  }

  .page-home .hero__annot {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.3em;
    color: var(--slate);
    writing-mode: vertical-rl;
    text-orientation: mixed;
  }

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

  .page-home .lines__figure {
    position: sticky;
    top: calc(var(--bar-h) + 28px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .seal {
    animation: none;
  }

  .page-home .hero__index a,
  .page-home .quick-table tbody th a,
  .page-home .line-card__link,
  .page-home .cycle__node,
  .page-home .cycle__panel {
    transition: none;
  }
}
</main>