.page-home {
  --home-t: 160ms;
  --home-line: rgba(11, 27, 51, 0.13);
  --home-line-light: rgba(247, 244, 236, 0.2);
  background: var(--paper);
}

/* 面包屑 */
.page-home .crumbs {
  padding-top: 1.1rem;
  font-size: 0.78rem;
}
.page-home .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-home .crumbs__link a {
  color: var(--fog);
  text-decoration: none;
}
.page-home .crumbs__link a:hover {
  color: var(--ink);
  text-decoration: underline;
}
.page-home .crumbs__sep {
  color: var(--fog);
}
.page-home .crumbs__current {
  color: var(--slate);
  font-weight: 600;
}

/* 卷首 */
.page-home .home-open {
  position: relative;
  overflow: hidden;
  margin-top: 0.8rem;
  padding-block: clamp(2.2rem, 5vw, 3.6rem) clamp(2.8rem, 6vw, 4.8rem);
  border-radius: 0 0 var(--r-lg) var(--r-lg);
  color: var(--paper);
  background:
    radial-gradient(90% 120% at 92% -10%, var(--ink-3) 0%, rgba(27, 58, 102, 0) 62%),
    linear-gradient(160deg, var(--ink) 0%, var(--ink-2) 100%);
}
.page-home .home-open::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(247, 244, 236, 0.05) 0 1px,
    transparent 1px 84px
  );
}
.page-home .home-open__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.8rem, 4vw, 3rem);
}
.page-home .home-open__eyebrow {
  color: var(--amber-soft);
}
.page-home .home-open h1 {
  margin: 0.55rem 0 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(2.45rem, 6.4vw, 4.35rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
}
.page-home .home-open__em {
  display: block;
  color: var(--amber);
}
.page-home .home-open__lede {
  max-width: 46ch;
  margin: 1.1rem 0 0;
  color: rgba(247, 244, 236, 0.84);
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.75;
}
.page-home .home-open__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.6rem;
}
.page-home .home-open__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem 2rem;
  margin: 1.9rem 0 0;
  padding: 1.15rem 0 0;
  list-style: none;
  border-top: 1px dashed var(--home-line-light);
}
.page-home .home-open__stats li {
  display: grid;
  gap: 0.15rem;
}
.page-home .home-open__stats strong {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.6rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--amber-soft);
}
.page-home .home-open__stats span {
  font-size: 0.78rem;
  color: rgba(247, 244, 236, 0.66);
}
.page-home .home-open__art {
  margin: 0;
}
.page-home .home-open__art .media__frame {
  aspect-ratio: 4 / 3;
  border-radius: var(--r-md);
  border: 1px solid var(--home-line-light);
  overflow: hidden;
  box-shadow: 0 26px 60px -32px rgba(0, 0, 0, 0.75);
}
.page-home .home-open__art img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-home .home-open__art .media__cap {
  margin-top: 0.7rem;
  font-size: 0.76rem;
  line-height: 1.6;
  color: rgba(247, 244, 236, 0.7);
}

/* 通用小节头 */
.page-home .home-sec-head {
  max-width: 62ch;
  margin-bottom: 1.6rem;
}
.page-home .home-sec-head h2 {
  margin: 0.4rem 0 0.6rem;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.65rem, 3.6vw, 2.35rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.page-home .home-sec-head p {
  margin: 0;
  color: var(--slate);
  font-size: 0.94rem;
  line-height: 1.75;
}

/* 版本刻度带 */
.page-home .home-timeline {
  padding-block: clamp(2.4rem, 5vw, 4rem);
}
.page-home .tl-track {
  display: flex;
  gap: 0.9rem;
  margin: 0;
  padding: 0 0 0.9rem;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}
.page-home .tl-node {
  position: relative;
  flex: 0 0 min(80vw, 288px);
  display: flex;
  padding-top: 1.5rem;
  scroll-snap-align: start;
  border-top: 2px solid var(--home-line);
}
.page-home .tl-node::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--ink-2);
}
.page-home .tl-node:first-child {
  border-top-color: var(--amber);
}
.page-home .tl-node:first-child::before {
  background: var(--amber);
  border-color: var(--amber);
  box-shadow: 0 0 0 4px rgba(242, 163, 58, 0.22);
}
.page-home .tl-node:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: 4px;
  border-radius: var(--r-md);
}
.page-home .tl-card {
  display: grid;
  gap: 0.42rem;
  align-content: start;
  width: 100%;
  padding: 1rem 1.05rem 1.15rem;
  background: #fff;
  border: 1px solid var(--home-line);
  border-radius: var(--r-md);
  transition: transform var(--home-t) ease, box-shadow var(--home-t) ease,
    border-color var(--home-t) ease;
}
.page-home .tl-node:hover .tl-card,
.page-home .tl-node:focus-visible .tl-card {
  transform: translateY(-3px);
  border-color: rgba(242, 163, 58, 0.6);
  box-shadow: 0 20px 34px -26px rgba(11, 27, 51, 0.6);
}
.page-home .tl-card__ver {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--fog);
}
.page-home .tl-card__title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--ink);
}
.page-home .tl-card__text {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--slate);
}
.page-home .tl-card--link {
  border-style: dashed;
  background: var(--paper-2);
}
.page-home .tl-card__go {
  margin-top: 0.3rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ink-2);
  text-decoration: none;
  border-bottom: 2px solid var(--jade);
  align-self: start;
  justify-self: start;
}
.page-home .tl-card__go:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* 分类索引墙 */
.page-home .home-wall {
  padding-block: clamp(2.6rem, 5.5vw, 4.4rem);
  background: var(--paper-2);
}
.page-home .home-wall__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 2.6rem);
}
.page-home .home-wall__head h2 {
  margin: 0.4rem 0 0.6rem;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.65rem, 3.6vw, 2.3rem);
  line-height: 1.15;
  color: var(--ink);
}
.page-home .home-wall__head p {
  margin: 0 0 0.9rem;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--slate);
}
.page-home .home-wall__more {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink-2);
  text-decoration: none;
  border-bottom: 2px solid var(--jade);
}
.page-home .home-wall__more:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}
.page-home .home-wall__art {
  margin: 1.4rem 0 0;
}
.page-home .home-wall__art .media__frame {
  aspect-ratio: 3 / 2;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--home-line);
}
.page-home .home-wall__art img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-home .home-wall__art .media__cap {
  margin-top: 0.6rem;
  font-size: 0.75rem;
  color: var(--fog);
}
.page-home .home-wall__clusters {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.9rem;
}
.page-home .cluster {
  --c: var(--amber);
  padding: 0.95rem 0.95rem 1rem;
  background: #fff;
  border: 1px solid var(--home-line);
  border-radius: var(--r-md);
  box-shadow: 0 1px 0 rgba(11, 27, 51, 0.04);
  transition: transform var(--home-t) ease, box-shadow var(--home-t) ease;
}
.page-home .cluster:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 36px -26px rgba(11, 27, 51, 0.55);
}
.page-home .cluster--rule {
  --c: var(--amber);
}
.page-home .cluster--product {
  --c: var(--coral);
}
.page-home .cluster--account {
  --c: var(--jade);
}
.page-home .cluster--play {
  --c: var(--ink-3);
}
.page-home .cluster--archive {
  --c: var(--amber-soft);
}
.page-home .cluster--support {
  --c: var(--jade-soft);
}
.page-home .cluster__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.55rem;
  border-bottom: 3px solid var(--c);
}
.page-home .cluster__head h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--ink);
}
.page-home .cluster__code {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--fog);
}
.page-home .cluster__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--slate);
}
.page-home .chips {
  display: grid;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .chip {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 0.5rem;
  row-gap: 0.1rem;
  padding: 0.45rem 0.55rem;
  border-left: 3px solid var(--c);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(11, 27, 51, 0.035);
  transition: background var(--home-t) ease, transform var(--home-t) ease;
}
.page-home .chip:hover,
.page-home .chip:focus-visible {
  background: rgba(242, 163, 58, 0.17);
  transform: translateX(2px);
  outline: none;
}
.page-home .chip:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: 1px;
}
.page-home .chip__no {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ink-2);
}
.page-home .chip__name {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--slate);
}
.page-home .chip__tip {
  grid-column: 2;
  font-size: 0.74rem;
  line-height: 1.5;
  color: var(--fog);
}

/* 四步路径 */
.page-home .home-steps {
  padding-block: clamp(2.6rem, 5.5vw, 4.4rem);
}
.page-home .steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .step {
  display: flex;
}
.page-home .step__box {
  width: 100%;
  background: #fff;
  border: 1px solid var(--home-line);
  border-radius: var(--r-md);
  transition: border-color var(--home-t) ease, box-shadow var(--home-t) ease;
}
.page-home .step__box[open] {
  border-color: rgba(242, 163, 58, 0.7);
  box-shadow: 0 18px 36px -28px rgba(11, 27, 51, 0.62);
}
.page-home .step__sum {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.15rem 0.6rem;
  padding: 0.85rem 0.9rem;
  cursor: pointer;
  list-style: none;
}
.page-home .step__sum::-webkit-details-marker {
  display: none;
}
.page-home .step__sum:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: 2px;
  border-radius: var(--r-md);
}
.page-home .step__no {
  grid-row: span 2;
  align-self: start;
  padding: 0.15rem 0.45rem;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink-2);
  background: var(--paper-2);
  border-radius: var(--r-sm);
}
.page-home .step__title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--ink);
}
.page-home .step__hint {
  font-size: 0.73rem;
  color: var(--fog);
}
.page-home .step__hint::before {
  content: "+ ";
  font-family: var(--font-mono);
}
.page-home .step__box[open] .step__hint::before {
  content: "− ";
}
.page-home .step__body {
  margin-top: 0.1rem;
  padding: 0 0.9rem 1rem;
  border-top: 1px dashed var(--home-line);
}
.page-home .step__body p {
  margin: 0.75rem 0;
  font-size: 0.87rem;
  line-height: 1.75;
  color: var(--slate);
}
.page-home .step__list {
  display: grid;
  gap: 0.25rem;
  margin: 0 0 0.85rem;
  padding-left: 1.05rem;
  font-size: 0.83rem;
  line-height: 1.6;
  color: var(--slate);
}
.page-home .step__link {
  display: inline-block;
  font-size: 0.83rem;
  font-weight: 700;
  color: var(--ink-2);
  text-decoration: none;
  border-bottom: 2px solid var(--jade);
}
.page-home .step__link:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}
.page-home .home-steps__aside {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.3rem;
  margin-top: 2rem;
  padding-top: 1.8rem;
  border-top: 1px dashed var(--home-line);
}
.page-home .home-steps__copy h3 {
  margin: 0.4rem 0 0.6rem;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(1.2rem, 2.6vw, 1.5rem);
  line-height: 1.3;
  color: var(--ink);
}
.page-home .home-steps__copy p {
  margin: 0 0 0.9rem;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--slate);
}
.page-home .home-steps__art {
  margin: 0;
}
.page-home .home-steps__art .media__frame {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--r-md);
  border: 1px solid var(--home-line);
  background: var(--paper-2);
}
.page-home .home-steps__art img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-home .home-steps__art .media__cap {
  margin-top: 0.6rem;
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--fog);
}

/* 旧版归档口 */
.page-home .home-archive {
  padding-block: clamp(2.6rem, 5.5vw, 4.4rem);
  color: var(--paper);
  background:
    linear-gradient(120deg, var(--ink) 0%, var(--ink-2) 70%, var(--ink-3) 100%);
}
.page-home .home-archive__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.6rem);
  align-items: center;
}
.page-home .home-archive__copy h2 {
  margin: 0.4rem 0 0.7rem;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.65rem, 3.6vw, 2.3rem);
  line-height: 1.15;
  color: var(--paper);
}
.page-home .home-archive__copy > p {
  margin: 0 0 1.2rem;
  max-width: 52ch;
  font-size: 0.93rem;
  line-height: 1.8;
  color: rgba(247, 244, 236, 0.82);
}
.page-home .home-archive__list {
  display: grid;
  gap: 0.75rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
}
.page-home .home-archive__list li {
  display: grid;
  gap: 0.15rem;
  padding-left: 0.85rem;
  border-left: 3px solid var(--amber);
}
.page-home .home-archive__list strong {
  font-size: 0.92rem;
  color: var(--amber-soft);
}
.page-home .home-archive__list span {
  font-size: 0.84rem;
  line-height: 1.7;
  color: rgba(247, 244, 236, 0.74);
}
.page-home .home-archive__art {
  margin: 0;
}
.page-home .home-archive__art .media__frame {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: var(--r-md);
  border: 1px solid var(--home-line-light);
}
.page-home .home-archive__art img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-home .home-archive__art .media__cap {
  margin-top: 0.65rem;
  font-size: 0.75rem;
  color: rgba(247, 244, 236, 0.66);
}

/* 客服直达 */
.page-home .home-support {
  padding-block: clamp(2.4rem, 5vw, 4rem) clamp(3rem, 6vw, 4.6rem);
}
.page-home .home-support__card {
  padding: clamp(1.3rem, 4vw, 2.4rem);
  background: var(--jade-soft);
  border-radius: var(--r-lg);
  border: 1px solid rgba(95, 191, 166, 0.55);
}
.page-home .home-support__intro h2 {
  margin: 0.4rem 0 0.7rem;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.2vw, 2.05rem);
  line-height: 1.18;
  color: var(--ink);
}
.page-home .home-support__intro p {
  margin: 0 0 1.3rem;
  max-width: 58ch;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--slate);
}
.page-home .home-support__list {
  display: grid;
  gap: 0.6rem;
  margin: 0 0 1.1rem;
  padding: 0;
  list-style: none;
}
.page-home .home-support__list .contact-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.75rem;
  padding: 0.7rem 0.85rem;
  background: rgba(247, 244, 236, 0.85);
  border-radius: var(--r-sm);
  border-left: 3px solid var(--ink-2);
}
.page-home .home-support__list .contact-item__label {
  flex: 0 0 auto;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--fog);
}
.page-home .home-support__list .contact-item__value {
  flex: 1 1 12rem;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.55;
  color: var(--ink);
  word-break: break-word;
}
.page-home .home-support__list .copy-btn {
  flex: 0 0 auto;
  padding: 0.22rem 0.6rem;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ink-2);
  background: transparent;
  border: 1px solid rgba(18, 41, 77, 0.35);
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--home-t) ease, color var(--home-t) ease;
}
.page-home .home-support__list .copy-btn:hover {
  background: var(--ink-2);
  color: var(--paper);
}
.page-home .home-support__list .copy-btn:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: 2px;
}
.page-home .home-support__note {
  margin: 0 0 1rem;
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--slate);
}
.page-home .home-support__go {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--amber);
}
.page-home .home-support__go:hover {
  color: var(--ink-3);
  border-bottom-color: var(--ink-2);
}

/* 中等屏 */
@media (min-width: 720px) {
  .page-home .home-wall__clusters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .home-steps__aside {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    align-items: center;
  }
  .page-home .home-archive__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
  .page-home .home-support__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .home-support__list .contact-item:nth-child(3) {
    grid-column: span 2;
  }
}

/* 桌面 */
@media (min-width: 900px) {
  .page-home .home-open__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }
  .page-home .home-open__art {
    margin-top: 2.4rem;
  }
}

@media (min-width: 980px) {
  .page-home .home-wall__grid {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    align-items: start;
  }
  .page-home .home-wall__head {
    position: sticky;
    top: 1.4rem;
  }
  .page-home .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-home .home-wall__clusters {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-home .cluster:nth-child(even) {
    margin-top: 1.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .tl-card,
  .page-home .cluster,
  .page-home .chip,
  .page-home .step__box,
  .page-home .copy-btn {
    transition: none;
  }
  .page-home .tl-node:hover .tl-card,
  .page-home .tl-node:focus-visible .tl-card,
  .page-home .cluster:hover,
  .page-home .chip:hover {
    transform: none;
  }
}