.page-home {
  --home-cut: 14px;
  --home-cut-sm: 9px;
  --home-band: rgba(242, 200, 121, .22);
  background-color: var(--paper);
  color: var(--text);
  overflow-x: hidden;
}

.page-home .mono {
  font-family: var(--font-mono);
  letter-spacing: .06em;
}

.page-home .hero,
.page-home .scenes-inner,
.page-home .collection-inner,
.page-home .updates-inner,
.page-home .reach-inner,
.page-home .compare-inner,
.page-home .channel-body {
  max-width: var(--shell);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding-top: clamp(26px, 4.6vw, 58px);
  padding-bottom: clamp(30px, 4.6vw, 54px);
}

.page-home .hero-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin: 0 0 clamp(22px, 3.6vw, 40px);
  font-size: 11.5px;
  line-height: 1;
  text-transform: uppercase;
  color: var(--rock);
}

.page-home .hero-context__bar {
  display: inline-block;
  width: 26px;
  height: 1px;
  background-color: var(--line);
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4.4vw, 52px);
  align-items: start;
}

.page-home .hero-title {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(40px, 9vw, 76px);
  line-height: 1.06;
  letter-spacing: -.012em;
  color: var(--ink-blue);
}

.page-home .hero-title::after {
  content: "";
  display: block;
  width: clamp(60px, 14%, 128px);
  height: 5px;
  margin-top: clamp(16px, 2.4vw, 26px);
  background: linear-gradient(90deg, var(--amber) 0%, var(--clay) 62%, transparent 62%);
}

.page-home .hero-copy .eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-home .hero-copy .lede {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  max-width: 46ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: #3A424A;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3.2vw, 32px);
}

.page-home .hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: clamp(26px, 3.6vw, 38px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}

.page-home .hero-fact dt {
  font-size: 11.5px;
  text-transform: uppercase;
  color: var(--rock);
}

.page-home .hero-fact dd {
  margin: 6px 0 0;
  font-family: var(--font-serif);
  font-size: 22px;
  line-height: 1.2;
  color: var(--ink-blue);
}

.page-home .hero-media {
  margin: 0;
}

.page-home .hero-media .media-caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--rock);
}

.page-home .hero-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(30px, 4.6vw, 54px);
  padding: 12px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .hero-index a {
  flex: 1 1 130px;
  padding: 10px 14px;
  font-size: 12px;
  text-decoration: none;
  color: var(--ink-blue);
  background-color: rgba(255, 255, 255, .45);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--home-cut-sm)), calc(100% - var(--home-cut-sm)) 100%, 0 100%);
  transition: background-color .18s var(--ease), border-color .18s var(--ease), transform .18s var(--ease);
}

.page-home .hero-index a:hover {
  background-color: rgba(208, 138, 44, .14);
  border-color: var(--amber);
  transform: translateY(-2px);
}

/* ---------- 通用区块头 ---------- */
.page-home .section-head {
  max-width: 62ch;
}

.page-home .section-head__index {
  margin: 0;
  font-size: 12px;
  text-transform: uppercase;
  color: var(--moss);
}

.page-home .section-head h2 {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(26px, 4.2vw, 42px);
  line-height: 1.2;
  letter-spacing: -.008em;
}

.page-home .section-head .lede {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: #3A424A;
}

/* ---------- 筛选协议 ---------- */
.page-home .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: clamp(22px, 3.2vw, 32px) 0 clamp(20px, 3vw, 30px);
}

.page-home .filter-btn {
  appearance: none;
  padding: 9px 16px;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  background-color: transparent;
  color: var(--ink-blue);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--home-cut-sm)), calc(100% - var(--home-cut-sm)) 100%, 0 100%);
  transition: background-color .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease), transform .18s var(--ease);
}

.page-home .filter-btn:hover {
  border-color: var(--amber);
  transform: translateY(-2px);
}

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

.page-home .filter-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--rock);
}

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

/* ---------- 版本对照 ---------- */
.page-home .home-compare {
  background-color: var(--ink-blue);
  color: var(--paper);
  padding: clamp(48px, 7vw, 92px) 0;
}

.page-home .home-compare .section-head h2 {
  color: var(--paper);
}

.page-home .home-compare .section-head__index {
  color: var(--amber-soft);
}

.page-home .home-compare .section-head .lede {
  color: rgba(247, 242, 232, .8);
}

.page-home .home-compare .filter-btn {
  color: var(--paper);
  border-color: var(--line-paper);
}

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

.page-home .home-compare .filter-count {
  color: rgba(247, 242, 232, .62);
}

.page-home .compare-panels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-home .compare-panel {
  padding: clamp(22px, 3vw, 30px);
  background-color: rgba(247, 242, 232, .05);
  border: 1px solid var(--line-paper);
  border-top: 3px solid var(--steel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--home-cut)), calc(100% - var(--home-cut)) 100%, 0 100%);
}

.page-home .compare-panel--test {
  border-top-color: var(--amber);
}

.page-home .compare-panel__tag {
  display: inline-block;
  font-size: 11.5px;
  text-transform: uppercase;
}

.page-home .compare-panel h3 {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.3;
  color: var(--paper);
}

.page-home .compare-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .compare-list li {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 242, 232, .82);
  border-top: 1px solid var(--line-paper);
}

.page-home .compare-list li span {
  font-size: 12px;
  color: var(--amber-soft);
}

.page-home .compare-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  margin-top: clamp(24px, 3.4vw, 36px);
  padding-top: 22px;
  border-top: 1px solid var(--line-paper);
}

.page-home .compare-cta p {
  margin: 0;
  font-size: 15px;
  color: rgba(247, 242, 232, .78);
}

/* ---------- 三类场景 ---------- */
.page-home .home-scenes {
  padding: clamp(48px, 7vw, 92px) 0;
}

.page-home .scene-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-home .scene-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 24px 22px;
  text-decoration: none;
  color: var(--text);
  background-color: rgba(255, 255, 255, .6);
  border: 1px solid var(--line-soft);
  clip-path: polygon(var(--home-cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--home-cut));
  transition: background-color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}

.page-home .scene-card:hover {
  background-color: rgba(242, 200, 121, .2);
  border-color: var(--amber);
  transform: translateY(-3px);
}

.page-home .scene-card__index {
  font-size: 12px;
  color: var(--clay);
}

.page-home .scene-card h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 20px;
  line-height: 1.35;
  color: var(--ink-blue);
}

.page-home .scene-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: #46505A;
}

.page-home .scene-card__go {
  margin-top: auto;
  padding-top: 10px;
  font-size: 12.5px;
  color: var(--ink-blue);
  border-top: 1px dashed var(--line);
}

/* ---------- 常用收藏 ---------- */
.page-home .home-collection {
  padding: clamp(44px, 6vw, 84px) 0;
  background-color: rgba(142, 147, 143, .1);
}

.page-home .collection-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 46px);
  align-items: start;
}

.page-home .collection-media {
  margin: 0;
}

.page-home .collection-media .media-caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--rock);
}

.page-home .collection-strip {
  display: flex;
  gap: 12px;
  margin: clamp(22px, 3.2vw, 30px) 0 0;
  padding: 4px 2px 16px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-home .collection-card {
  flex: 0 0 min(246px, 74vw);
  scroll-snap-align: start;
}

.page-home .collection-card a {
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
  padding: 22px 20px;
  text-decoration: none;
  color: var(--text);
  background-color: var(--paper);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--steel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--home-cut)), calc(100% - var(--home-cut)) 100%, 0 100%);
  transition: border-color .18s var(--ease), transform .18s var(--ease), background-color .18s var(--ease);
}

.page-home .collection-card a:hover {
  background-color: #FFFDF7;
  border-left-color: var(--amber);
  transform: translateY(-3px);
}

.page-home .collection-card__code {
  font-size: 11.5px;
  color: var(--rock);
}

.page-home .collection-card__title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink-blue);
}

.page-home .collection-card__text {
  font-size: 14px;
  line-height: 1.75;
  color: #4A545E;
}

/* ---------- 通道概览 ---------- */
.page-home .home-channel {
  padding: clamp(48px, 7vw, 92px) 0 clamp(40px, 5.6vw, 72px);
}

.page-home .channel-banner {
  max-width: var(--shell);
  margin: 0 auto clamp(30px, 4.4vw, 52px);
  padding: 0 var(--gutter);
}

.page-home .channel-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

.page-home .channel-copy h2 {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(26px, 4.2vw, 42px);
  line-height: 1.2;
  color: var(--ink-blue);
}

.page-home .channel-copy p {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: #3A424A;
}

.page-home .channel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .channel-track {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .channel-track li {
  position: relative;
  padding-left: 26px;
  border-left: 1px solid var(--line);
}

.page-home .channel-track li::before {
  content: "";
  position: absolute;
  top: 5px;
  left: -6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background-color: var(--paper);
  border: 2px solid var(--steel);
}

.page-home .channel-track li.is-current::before {
  background-color: var(--amber);
  border-color: var(--amber);
}

.page-home .channel-track__year {
  display: block;
  font-size: 13px;
  color: var(--ink-blue);
}

.page-home .channel-track li.is-current .channel-track__year {
  color: var(--clay);
}

.page-home .channel-track__note {
  display: block;
  margin-top: 6px;
  font-size: 14.5px;
  line-height: 1.75;
  color: #4A545E;
}

/* ---------- 更新记录 ---------- */
.page-home .home-updates {
  padding: clamp(44px, 6vw, 84px) 0;
  background-color: var(--ink-deep);
  color: var(--paper);
}

.page-home .home-updates .section-head h2 {
  color: var(--paper);
}

.page-home .home-updates .section-head__index {
  color: var(--amber-soft);
}

.page-home .home-updates .section-head .lede {
  color: rgba(247, 242, 232, .78);
}

.page-home .update-list {
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-paper);
}

.page-home .update-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-paper);
}

.page-home .update-item__time {
  margin: 0;
  font-size: 12px;
  color: var(--amber-soft);
}

.page-home .update-item__body h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.4;
  color: var(--paper);
}

.page-home .update-item__body p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 242, 232, .76);
}

.page-home .home-updates .tag--checked {
  align-self: start;
  font-size: 11.5px;
  color: var(--amber-soft);
  border: 1px dashed rgba(242, 200, 121, .5);
  padding: 4px 9px;
}

.page-home .updates-more {
  margin: clamp(24px, 3.4vw, 34px) 0 0;
}

.page-home .home-updates .btn--ghost {
  color: var(--paper);
  border-color: var(--line-paper);
}

.page-home .home-updates .btn--ghost:hover {
  border-color: var(--amber);
  color: var(--amber-soft);
}

/* ---------- 咨询联络 ---------- */
.page-home .reach {
  background-color: var(--home-band);
  border-top: 2px solid var(--amber);
}

.page-home .reach-banner {
  margin: 0;
  height: clamp(110px, 17vw, 190px);
  overflow: hidden;
}

.page-home .reach-banner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .reach-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.6vw, 44px);
  padding-top: clamp(34px, 4.6vw, 56px);
  padding-bottom: clamp(38px, 5vw, 62px);
}

.page-home .reach-copy h2 {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(24px, 3.8vw, 38px);
  line-height: 1.22;
  color: var(--ink-blue);
}

.page-home .reach-copy p {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.85;
  color: #3A424A;
}

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

.page-home .reach-contact {
  margin: 0;
  border-top: 1px solid rgba(22, 40, 60, .18);
}

.page-home .reach-row {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(22, 40, 60, .14);
}

.page-home .reach-row dt {
  font-size: 12px;
  color: var(--rock);
}

.page-home .reach-row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-blue);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-home .update-item {
    grid-template-columns: 92px minmax(0, 1fr) auto;
    align-items: start;
    gap: 0 22px;
  }

  .page-home .channel-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 20px;
  }
}

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: 7fr 5fr;
    gap: clamp(32px, 5vw, 64px);
  }

  .page-home .compare-panels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-home .scene-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-home .reach-inner {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-home .collection-grid {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: clamp(30px, 4vw, 54px);
  }

  .page-home .collection-media {
    position: sticky;
    top: 96px;
  }

  .page-home .channel-body {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(32px, 5vw, 64px);
  }

  .page-home .channel-track {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-index a,
  .page-home .filter-btn,
  .page-home .scene-card,
  .page-home .collection-card a {
    transition: none;
  }

  .page-home .hero-index a:hover,
  .page-home .filter-btn:hover,
  .page-home .scene-card:hover,
  .page-home .collection-card a:hover {
    transform: none;
  }
}