/* ============================================================
   首页 page-home
   ============================================================ */
.page-home {
  --home-cut: polygon(0 0, 100% 0, 100% 80%, 0 100%);
  --home-cut-wide: polygon(0 0, 100% 0, 78% 100%, 0 100%);
  --home-card: 78vw;
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 页面上下文条 ---------- */
.page-home .page-context {
  background: var(--navy-2);
  border-bottom: 1px solid var(--line-gold);
}
.page-home .page-context-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 24px;
  padding-top: 11px;
  padding-bottom: 11px;
}
.page-home .context-kicker,
.page-home .context-meta {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.06em;
}
.page-home .context-kicker { color: var(--gold-l); }
.page-home .context-meta { color: var(--jade); }

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.page-home .hero-visual {
  position: relative;
  height: 218px;
  overflow: hidden;
  background: var(--navy);
  clip-path: var(--home-cut);
}
.page-home .hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.36;
}
.page-home .hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(155deg,
    rgba(11, 37, 69, 0.94) 0%,
    rgba(11, 37, 69, 0.54) 52%,
    rgba(224, 122, 60, 0.5) 100%);
}
.page-home .hero-visual::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -42%;
  z-index: 2;
  width: 66%;
  height: 92%;
  background: var(--orange);
  opacity: 0.4;
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 100%);
}
.page-home .hero-panel {
  position: relative;
  z-index: 3;
  background: var(--paper);
  padding: 40px 0 52px;
}
.page-home .hero-inner > * {
  display: block;
}
.page-home .hero-eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
}
.page-home .hero-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(27px, 6.6vw, 46px);
  line-height: 1.28;
  letter-spacing: 0.035em;
  color: var(--navy);
}
.page-home .hero-lede {
  margin: 0 0 28px;
  max-width: 44ch;
  font-family: var(--font-editorial);
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
}
.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-home .btn-key {
  font-size: 11px;
  letter-spacing: 0.08em;
  opacity: 0.72;
  margin-right: 2px;
}

/* ---------- 通用章节头 ---------- */
.page-home .home-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.page-home .home-head h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 5vw, 34px);
  line-height: 1.32;
  letter-spacing: 0.04em;
  color: var(--navy);
}
.page-home .home-head-note {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--jade);
}

/* ---------- 通道栏目索引带 ---------- */
.page-home .channels {
  position: relative;
  overflow: hidden;
  padding: 56px 0 0;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.page-home .channels-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.07;
}
.page-home .channels-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-home .channels .lede {
  position: relative;
  margin: 20px 0 0;
  max-width: 56ch;
}
.page-home .rail-wrap {
  position: relative;
  margin-top: 30px;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 18px, #000 calc(100% - 18px), transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0, #000 18px, #000 calc(100% - 18px), transparent 100%);
}
.page-home .channel-rail {
  display: flex;
  gap: 14px;
  margin: 0;
  padding: 6px var(--gutter) 46px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: var(--gold) transparent;
  -webkit-overflow-scrolling: touch;
}
.page-home .channel-rail > li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}
.page-home .channel-link {
  display: flex;
  flex-direction: column;
  width: var(--home-card);
  max-width: 262px;
  min-height: 208px;
  padding: 18px 18px 16px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-top: 2px solid var(--gold);
  color: inherit;
  text-decoration: none;
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease), border-color 200ms var(--ease);
}
.page-home .channel-link:hover,
.page-home .channel-link:focus-visible {
  transform: translateY(-4px);
  border-color: var(--line-gold);
  box-shadow: 0 16px 30px -22px rgba(11, 37, 69, 0.6);
}
.page-home .channel-link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}
.page-home .channel-num {
  display: block;
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line-gold);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold);
}
.page-home .channel-name {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.04em;
  color: var(--navy);
}
.page-home .channel-desc {
  display: block;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--ink);
  opacity: 0.68;
}
.page-home .channel-more {
  display: block;
  margin-top: auto;
  padding-top: 16px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--indigo);
}

/* ---------- 固定访问区 ---------- */
.page-home .pinned {
  padding: 56px 0 60px;
  background: var(--navy);
  color: var(--paper);
}
.page-home .pinned-grid {
  display: grid;
  gap: 34px;
}
.page-home .pinned .eyebrow { color: var(--gold); }
.page-home .pinned-title,
.page-home .reach-title,
.page-home .visit-title {
  margin: 8px 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 5vw, 34px);
  line-height: 1.32;
  letter-spacing: 0.04em;
}
.page-home .pinned-title { color: var(--paper); }
.page-home .pinned-lede {
  margin: 0 0 28px;
  max-width: 52ch;
  font-family: var(--font-editorial);
  font-size: 16px;
  line-height: 1.9;
  color: rgba(246, 243, 236, 0.78);
}
.page-home .pinned-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-gold);
}
.page-home .pinned-item {
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 4px;
  border-bottom: 1px solid rgba(200, 162, 74, 0.24);
  transition: background-color 200ms var(--ease);
}
.page-home .pinned-item:hover,
.page-home .pinned-item:focus-within {
  background: rgba(255, 255, 255, 0.05);
}
.page-home .pinned-id {
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
}
.page-home .pinned-name {
  margin: 0 0 5px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--paper);
}
.page-home .pinned-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
  color: rgba(246, 243, 236, 0.62);
}
.page-home .pinned-figure {
  margin: 0;
  border: 1px solid var(--line-gold);
}
.page-home .pinned-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-home .pinned .media-caption {
  color: rgba(246, 243, 236, 0.55);
}

/* ---------- 目录变更速览 ---------- */
.page-home .changes {
  padding: 56px 0 60px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.page-home .changes .lede {
  margin: 20px 0 0;
  max-width: 58ch;
}
.page-home .change-timeline {
  margin: 34px 0 0;
  padding: 0 0 0 22px;
  list-style: none;
  border-left: 1px solid var(--line-gold);
}
.page-home .change-item {
  position: relative;
  padding-bottom: 26px;
}
.page-home .change-item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 7px;
  width: 9px;
  height: 9px;
  background: var(--paper);
  border: 1px solid var(--gold);
  transform: rotate(45deg);
}
.page-home .change-ver {
  display: inline-block;
  margin-bottom: 9px;
  padding: 3px 8px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--navy);
  background: var(--gold-l);
}
.page-home .change-text {
  margin: 0 0 9px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--ink);
}
.page-home .change-note {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--jade);
}
.page-home .change-more {
  margin-top: 28px;
}

/* ---------- 服务体量 ---------- */
.page-home .reach {
  padding: 56px 0 60px;
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper) 42%, rgba(235, 217, 163, 0.42) 100%);
}
.page-home .reach-grid {
  display: grid;
  gap: 30px;
}
.page-home .reach-figure {
  margin: 0;
  border: 1px solid var(--line-strong);
}
.page-home .reach-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-home .reach-title { color: var(--navy); }
.page-home .reach-lede {
  margin: 0 0 28px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--ink);
}
.page-home .stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-home .stat {
  padding: 18px 16px;
  background: rgba(246, 243, 236, 0.9);
}
.page-home .stat-num {
  display: block;
  font-size: clamp(25px, 6vw, 33px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--navy);
}
.page-home .stat-label {
  display: block;
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink);
  opacity: 0.66;
}
.page-home .reach-more {
  margin: 22px 0 0;
}
.page-home .reach-link {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--indigo);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  padding-bottom: 2px;
}
.page-home .reach-link:hover,
.page-home .reach-link:focus-visible {
  color: var(--navy);
  border-bottom-color: var(--gold);
}

/* ---------- 到访与订阅 ---------- */
.page-home .visit {
  padding: 56px 0 64px;
  background: var(--paper);
  border-top: 1px solid var(--gold);
}
.page-home .visit-grid {
  display: grid;
  gap: 32px;
}
.page-home .visit-title { color: var(--navy); }
.page-home .visit-lede {
  margin: 0 0 26px;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--ink);
}
.page-home .visit-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.page-home .visit-list li {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.72;
}
.page-home .visit-key {
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--jade);
}
.page-home .visit-val {
  color: var(--ink);
  word-break: break-word;
}
.page-home .visit-link {
  display: inline-block;
  margin-top: 20px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--indigo);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  padding-bottom: 2px;
}
.page-home .visit-link:hover,
.page-home .visit-link:focus-visible {
  color: var(--navy);
  border-bottom-color: var(--gold);
}

/* ---------- 响应式：平板 ---------- */
@media (min-width: 640px) {
  .page-home {
    --home-card: 42vw;
  }
  .page-home .hero-visual {
    height: 264px;
  }
  .page-home .stat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-home .pinned-item {
    grid-template-columns: 58px minmax(0, 1fr);
  }
  .page-home .visit-list li {
    grid-template-columns: 80px minmax(0, 1fr);
  }
}

/* ---------- 响应式：桌面 ---------- */
@media (min-width: 900px) {
  .page-home .hero {
    min-height: 620px;
  }
  .page-home .hero-visual {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 60%;
    height: auto;
    clip-path: var(--home-cut-wide);
  }
  .page-home .hero-panel {
    display: flex;
    align-items: center;
    min-height: 620px;
    width: 100%;
    padding: 88px 0 96px;
    background: transparent;
  }
  .page-home .hero-inner {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--gutter);
  }
  .page-home .hero-inner > * {
    grid-column: 7 / -1;
  }
  .page-home .pinned-grid {
    grid-template-columns: minmax(0, 1.24fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
  .page-home .reach-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 52px;
    align-items: start;
  }
  .page-home .visit-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 64px;
    align-items: start;
  }
  .page-home .channel-rail {
    padding-left: max(var(--gutter), calc((100vw - var(--shell)) / 2 + var(--gutter)));
    padding-right: max(var(--gutter), calc((100vw - var(--shell)) / 2 + var(--gutter)));
  }
  .page-home .channels .lede,
  .page-home .changes .lede {
    max-width: 60ch;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .channel-link,
  .page-home .pinned-item {
    transition: none;
  }
  .page-home .channel-link:hover {
    transform: none;
  }
}