/* ===== 首页：垂直时间轴 + 错落栏目索引 ===== */
.page-home {
  --home-rail-w: 208px;
  --home-card-bg: #FFFFFF;
}

/* ---------- 首屏 ---------- */
.page-home .home-lead {
  padding: 36px 0 8px;
}

.page-home .home-lead__kicker {
  margin: 0 0 14px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--tile-600);
}

.page-home .home-lead__title {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-size: clamp(30px, 6vw, 52px);
  font-weight: 600;
  line-height: 1.24;
  color: var(--tile-900);
  max-width: 18em;
}

.page-home .home-lead__lede {
  margin: 0 0 30px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink-600);
  max-width: 42em;
}

.page-home .home-lead__grid {
  display: grid;
  gap: 26px;
  padding: 26px 0;
  background: linear-gradient(180deg, var(--paper-100) 0%, var(--mint-150) 100%);
  border-top: 1px solid var(--tile-300);
  border-bottom: 1px solid var(--tile-300);
}

.page-home .home-clock {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

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

.page-home .home-clock__link {
  display: block;
  padding: 4px 0 4px 16px;
  border-left: 3px solid var(--amber-500);
  text-decoration: none;
  color: inherit;
  transition: transform var(--dur) var(--ease);
}

.page-home .home-clock__link:hover { transform: translateX(4px); }

.page-home .home-clock__num {
  display: block;
  font-size: clamp(54px, 13vw, 86px);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--amber-500);
}

.page-home .home-clock__cap {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-600);
}

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

/* ---------- 全页骨架：左轴 + 右流 ---------- */
.page-home .home-frame {
  display: grid;
  gap: 32px;
  padding-top: 44px;
  padding-bottom: 64px;
}

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

.page-home .home-rail__cap {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--ink-400);
}

.page-home .home-rail__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
}

.page-home .home-rail__step {
  flex: 0 0 auto;
  margin: 0;
  padding: 0;
  border: 0;
}

.page-home .home-rail__step a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--tile-300);
  border-radius: var(--radius-pill);
  background: var(--paper-100);
  color: var(--ink-600);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .home-rail__step a:hover {
  border-color: var(--tile-600);
  color: var(--tile-900);
}

.page-home .home-rail__time {
  font-size: 13px;
  color: var(--amber-500);
}

.page-home .home-stream {
  min-width: 0;
  display: grid;
  gap: 66px;
}

.page-home .home-section { scroll-margin-top: calc(var(--header-h) + 24px); }

.page-home .home-cadence__head { margin-bottom: 0; }

/* ---------- 时段卡 ---------- */
.page-home .home-slot {
  margin-top: 28px;
  padding: 24px 22px;
  background: var(--home-card-bg);
  border: 1px solid var(--tile-300);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

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

.page-home .home-slot--eight { border-left: 4px solid var(--amber-500); }
.page-home .home-slot--twenty { border-left: 4px solid var(--tile-600); }

.page-home .home-slot__time {
  margin: 0 0 6px;
  font-size: 40px;
  line-height: 1;
  color: var(--amber-500);
}

.page-home .home-slot--twenty .home-slot__time { color: var(--tile-600); }

.page-home .home-slot__title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--tile-900);
}

.page-home .home-slot__list {
  margin: 0;
  padding-left: 20px;
  color: var(--ink-600);
  line-height: 1.75;
}

.page-home .home-slot__list li + li { margin-top: 8px; }

.page-home .home-slot__fig { margin: 20px 0 0; }

.page-home .home-tile-deco {
  margin: 40px 0 0;
  max-width: 260px;
}

/* ---------- 栏目索引 ---------- */
.page-home .home-cols__fig { margin: 0 0 24px; }

.page-home .home-cols {
  display: grid;
  gap: 18px;
}

.page-home .home-col {
  padding: 22px 20px 20px;
  background: var(--home-card-bg);
  border: 1px solid var(--tile-300);
  border-radius: var(--radius-card);
  box-shadow: 0 2px 3px rgba(15, 59, 82, .05);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .home-col:hover,
.page-home .home-col:focus-within {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
  border-color: var(--tile-600);
}

.page-home .home-col__num {
  margin: 0 0 6px;
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--tile-600);
}

.page-home .home-col__title {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 600;
  color: var(--tile-900);
}

.page-home .home-col__desc {
  margin: 0;
  color: var(--ink-600);
  line-height: 1.75;
}

.page-home .home-col__more {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--tile-300);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-400);
}

/* ---------- 版本分段 ---------- */
.page-home .tabs { margin-top: 26px; }

.page-home .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-home .tabs__tab {
  padding: 10px 18px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--ink-600);
  background: transparent;
  border: 1px solid var(--tile-300);
  border-bottom: 0;
  border-radius: 10px 10px 0 0;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .tabs__tab[aria-selected="true"] {
  background: var(--mint-150);
  border-color: var(--tile-600);
  color: var(--tile-900);
}

.page-home .tabs__panel {
  margin-top: -1px;
  padding: 22px 20px;
  background: var(--home-card-bg);
  border: 1px solid var(--tile-300);
  border-radius: 0 var(--radius-card) var(--radius-card) var(--radius-card);
}

.page-home .tabs__panel p {
  margin: 0 0 12px;
  color: var(--ink-600);
  line-height: 1.75;
}

.page-home .tabs__panel p.home-ver {
  margin-bottom: 0;
  font-size: 13px;
  color: var(--amber-500);
}

/* ---------- 上手路线 ---------- */
.page-home .home-routes {
  display: grid;
  gap: 18px;
}

.page-home .home-route {
  margin: 0;
  padding: 20px 20px 18px;
  border: 0;
  border-left: 3px solid var(--tile-300);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  background: var(--paper-200);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .home-route[data-active] {
  border-left-color: var(--amber-500);
  background: var(--amber-150);
}

.page-home .home-route__who {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--tile-600);
}

.page-home .home-route__title {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--tile-900);
}

.page-home .home-route__desc {
  margin: 0;
  color: var(--ink-600);
  line-height: 1.75;
}

/* ---------- 内容生产 ---------- */
.page-home .home-craft {
  display: grid;
  gap: 24px;
  margin-top: 26px;
}

.page-home .home-craft__list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-home .home-craft__list li {
  position: relative;
  padding: 12px 0 12px 20px;
  border-bottom: 1px solid var(--tile-300);
  color: var(--ink-600);
  line-height: 1.7;
}

.page-home .home-craft__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint-500);
}

.page-home .home-craft__tail {
  margin: 0;
  color: var(--ink-600);
  line-height: 1.75;
}

.page-home .home-craft__aside { padding: 22px 20px; }

.page-home .home-craft__badge {
  margin: 0 0 12px;
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--amber-500);
}

.page-home .home-craft__aside-text {
  margin: 0 0 12px;
  color: var(--ink-600);
  line-height: 1.75;
}

.page-home .home-craft__aside-link { margin: 0; }

/* ---------- 求助 ---------- */
.page-home .home-help__grid { margin-top: 24px; }

.page-home .home-help__card { padding: 22px 20px; }

.page-home .home-help__card-title {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--tile-900);
}

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

.page-home .home-help__note p {
  margin: 0 0 10px;
  line-height: 1.75;
}

.page-home .home-help__note p:last-child { margin-bottom: 0; }

.page-home .home-inline-link {
  color: var(--tile-600);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}

.page-home .home-inline-link:hover { color: var(--amber-500); }

.page-home .home-more { margin: 22px 0 0; }

/* ---------- 响应式 ---------- */
@media (min-width: 820px) {
  .page-home .home-lead__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: center;
    gap: 44px;
  }

  .page-home .home-slot--eight { width: 90%; }
  .page-home .home-slot--twenty { width: 78%; margin-left: auto; }

  .page-home .home-cols { grid-template-columns: repeat(12, 1fr); gap: 20px; }
  .page-home .home-col:nth-child(1) { grid-column: span 7; }
  .page-home .home-col:nth-child(2) { grid-column: span 5; }
  .page-home .home-col:nth-child(3) { grid-column: span 5; }
  .page-home .home-col:nth-child(4) { grid-column: span 7; }

  .page-home .home-routes { grid-template-columns: 1fr 1.1fr .9fr; gap: 20px; }
}

@media (hover: hover) and (min-width: 820px) {
  .page-home .home-col__more {
    max-height: 0;
    margin-top: 0;
    padding-top: 0;
    opacity: 0;
    overflow: hidden;
    border-top-color: transparent;
    transition: max-height 220ms var(--ease), opacity 180ms var(--ease), margin-top 200ms var(--ease), padding-top 200ms var(--ease);
  }

  .page-home .home-col:hover .home-col__more,
  .page-home .home-col:focus-within .home-col__more {
    max-height: 8em;
    margin-top: 12px;
    padding-top: 10px;
    opacity: 1;
    border-top-color: var(--tile-300);
  }
}

@media (min-width: 960px) {
  .page-home .home-frame {
    grid-template-columns: var(--home-rail-w) minmax(0, 1fr);
    gap: 56px;
  }

  .page-home .home-rail__sticky {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-home .home-rail__list {
    flex-direction: column;
    gap: 4px;
    padding: 0 0 0 22px;
    overflow: visible;
    position: relative;
  }

  .page-home .home-rail__list::before {
    content: "";
    position: absolute;
    left: 5px;
    top: 12px;
    bottom: 12px;
    width: 1px;
    background: var(--tile-300);
  }

  .page-home .home-rail__step { position: relative; }

  .page-home .home-rail__step::before {
    content: "";
    position: absolute;
    left: -21px;
    top: 18px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--paper-100);
    border: 1px solid var(--tile-600);
    transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  }

  .page-home .home-rail__step[data-active]::before {
    background: var(--amber-500);
    border-color: var(--amber-500);
    box-shadow: 0 0 0 4px var(--amber-150);
  }

  .page-home .home-rail__step a {
    display: block;
    padding: 10px 0;
    border: 0;
    border-radius: 0;
    background: transparent;
  }

  .page-home .home-rail__step[data-active] a { color: var(--tile-900); }

  .page-home .home-craft {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, .9fr);
    gap: 36px;
  }
}

@media (min-width: 1100px) {
  .page-home .home-lead { padding-top: 48px; }
  .page-home .home-tile-deco { max-width: 320px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-col,
  .page-home .home-slot,
  .page-home .home-clock__link {
    transition: none;
  }
}