/* ===== 首页 · 优乐CN ===== */

.page-home {
  --home-rule: 1px solid var(--slate-100);
}

.page-home .page-main {
  min-width: 0;
}

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

@media (min-width: 961px) {
  .page-home .rail-index {
    position: sticky;
    top: 112px;
    align-self: start;
  }
}

/* ---------- 首屏 ---------- */

.page-home .home-hero {
  display: grid;
  gap: 40px;
  padding: 4px 0 56px;
}

.page-home .home-hero-body {
  display: grid;
  gap: 16px;
  max-width: 62ch;
}

.page-home .home-hero-body .page-title {
  margin: 0;
}

.page-home .home-hero-body .lede {
  margin: 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--slate);
}

.page-home .home-hero-meta {
  display: grid;
  gap: 16px;
  margin-top: 6px;
}

.page-home .home-version {
  display: inline-grid;
  gap: 2px;
  justify-self: start;
  margin: 0;
  padding: 8px 14px 9px;
  border: 1px solid var(--cinnabar);
  background: var(--paper);
  box-shadow: 3px 3px 0 var(--cinnabar-soft);
}

.page-home .home-version-num {
  font-size: 15px;
  letter-spacing: .08em;
  color: var(--cinnabar);
}

.page-home .home-version-note {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-home .home-spec {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--slate-100);
  border: var(--home-rule);
}

.page-home .home-spec > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 14px;
  padding: 11px 14px;
  background: var(--paper);
}

.page-home .home-spec dt {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-home .home-spec dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
}

@media (min-width: 640px) {
  .page-home .home-spec {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-home .home-spec {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 图版通用 ---------- */

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

.page-home .home-plate .plate-frame {
  overflow: hidden;
  border: var(--home-rule);
  background: var(--paper-warm);
}

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

.page-home .home-plate--lead .plate-frame {
  box-shadow: var(--shade);
}

.page-home .home-plate--paper .plate-frame {
  box-shadow: var(--shade);
}

/* ---------- 栏目分布 ---------- */

.page-home .home-columns-section .prose {
  max-width: 34em;
}

.page-home .home-index-line {
  display: block;
  width: 100%;
  height: auto;
  margin: 34px 0 20px;
}

.page-home .home-idx-rule {
  stroke: var(--slate-100);
  stroke-width: 1;
}

.page-home .home-idx-dot {
  fill: var(--slate);
}

.page-home .home-idx-dot--anchor {
  fill: var(--cinnabar);
}

.page-home .home-columns {
  list-style: none;
  margin: 0 0 36px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--slate-100);
  border: var(--home-rule);
}

.page-home .home-column {
  display: grid;
  gap: 3px;
  align-content: start;
  min-height: 106px;
  padding: 16px 18px 18px;
  background: var(--paper);
  transition: background-color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-home .home-column:hover {
  background: var(--paper-warm);
  box-shadow: var(--shade);
}

.page-home .home-column-num {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-home .home-column-name {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-home .home-column-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

.page-home .home-column--anchor {
  background: var(--paper-warm);
  box-shadow: inset 3px 0 0 var(--cinnabar);
}

.page-home .home-column--anchor .home-column-num {
  color: var(--cinnabar);
}

.page-home .home-column--anchor:hover {
  box-shadow: inset 3px 0 0 var(--cinnabar), var(--shade-lift);
}

@media (min-width: 720px) {
  .page-home .home-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-home .home-columns {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 资料库 ---------- */

.page-home .home-library-grid {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-home .home-library-text {
  display: grid;
  gap: 24px;
}

.page-home .home-library-text .prose {
  max-width: 34em;
}

@media (min-width: 900px) {
  .page-home .home-library-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 44px;
  }

  .page-home .home-plate--library {
    margin-top: -16px;
  }
}

/* ---------- 服务档位 ---------- */

.page-home .home-plan-grid {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

@media (min-width: 800px) {
  .page-home .home-plan-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

.page-home .home-plan {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 22px 20px 24px;
  transition: transform 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-home .home-plan:hover {
  transform: translateY(-2px);
  box-shadow: var(--shade-lift);
}

.page-home .home-plan .card-meta {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cinnabar);
}

.page-home .home-plan .card-title {
  margin: 0;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -.01em;
  color: var(--ink);
}

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

.page-home .home-plan .home-plan-fit {
  margin: 4px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--slate-100);
  font-size: 13px;
  color: var(--muted);
}

.page-home .home-plan--deep {
  background: var(--deep);
  border-color: var(--deep);
  box-shadow: inset 0 3px 0 var(--cinnabar);
}

.page-home .home-plan--deep .card-meta {
  color: var(--index-yellow);
}

.page-home .home-plan--deep .card-title {
  color: var(--paper);
}

.page-home .home-plan--deep p {
  color: rgba(247, 244, 236, .82);
}

.page-home .home-plan--deep .home-plan-fit {
  border-top-color: rgba(247, 244, 236, .3);
  color: rgba(247, 244, 236, .64);
}

.page-home .home-plans-cta {
  margin: 30px 0 0;
}

/* ---------- 更新节奏 ---------- */

.page-home .home-rhythm-grid {
  display: grid;
  gap: 32px;
  margin-top: 28px;
}

.page-home .home-rhythm-text {
  display: grid;
  gap: 24px;
  align-content: start;
}

.page-home .home-rhythm-text .prose {
  max-width: 34em;
}

.page-home .home-rhythm-text .btn-row {
  margin: 0;
}

@media (min-width: 880px) {
  .page-home .home-rhythm-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
    gap: 56px;
    align-items: start;
  }

  .page-home .home-plate--paper {
    margin-top: -26px;
  }
}

/* ---------- 服务保障 ---------- */

.page-home .home-trust .prose {
  max-width: 34em;
}

.page-home .home-trust-list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--slate-100);
  border: var(--home-rule);
}

.page-home .home-trust-item {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  background: var(--paper);
}

.page-home .home-trust-k {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cinnabar);
}

.page-home .home-trust-v {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

@media (min-width: 700px) {
  .page-home .home-trust-item {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 4px 22px;
    align-items: baseline;
  }
}

.page-home .home-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin: 32px 0 0;
  padding-top: 22px;
  border-top: var(--home-rule);
  font-size: 15px;
}

.page-home .home-links a {
  color: var(--ink);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--slate-100);
  transition: color 140ms var(--ease), border-color 140ms var(--ease);
}

.page-home .home-links a:hover,
.page-home .home-links a:focus-visible {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-home .home-column,
  .page-home .home-plan,
  .page-home .home-links a {
    transition: none;
  }

  .page-home .home-column:hover,
  .page-home .home-plan:hover {
    transform: none;
  }
}