.page-home {
  --home-gap: clamp(3rem, 7vw, 5.4rem);
  --home-card-pad: clamp(1.1rem, 2.4vw, 1.6rem);
  --home-line: rgba(122, 92, 20, .34);
  --home-line-soft: rgba(122, 92, 20, .18);
}

/* ---------- 页面上下文 ---------- */
.page-home .home-context {
  display: flex;
  align-items: center;
  gap: .55rem;
  margin: clamp(1.3rem, 3vw, 2rem) 0 0;
  font-size: .76rem;
  letter-spacing: .16em;
  color: var(--sage);
}

.page-home .home-context__k {
  color: var(--gold);
  letter-spacing: .2em;
}

.page-home .home-context__sep {
  color: var(--line);
}

/* ---------- 框景首屏 ---------- */
.page-home .hero-frame {
  position: relative;
  margin-top: clamp(1rem, 2.4vw, 1.4rem);
  padding: clamp(2.4rem, 5vw, 3.6rem) clamp(1.1rem, 4vw, 3rem) clamp(2rem, 4vw, 2.8rem);
  border: 1px solid var(--home-line);
  border-radius: var(--radius);
  background:
    radial-gradient(115% 92% at 6% -12%, rgba(78, 140, 123, .3), transparent 62%),
    radial-gradient(96% 86% at 104% 112%, rgba(201, 162, 39, .15), transparent 60%),
    linear-gradient(158deg, #143A31 0%, #0E2A24 78%);
  box-shadow: var(--shadow);
}

.page-home .hero-frame::before,
.page-home .hero-frame::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 9px;
  background-image: repeating-linear-gradient(to right, var(--home-line) 0 1px, transparent 1px 30px);
  pointer-events: none;
}

.page-home .hero-frame::before {
  top: 0;
  border-bottom: 1px solid var(--home-line-soft);
}

.page-home .hero-frame::after {
  bottom: 0;
  border-top: 1px solid var(--home-line-soft);
}

.page-home .hero-frame__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 3.4vw, 2.6rem);
  align-items: center;
}

.page-home .hero-frame__eyebrow {
  margin: 0 0 .9rem;
  font-size: .74rem;
  letter-spacing: .26em;
  color: var(--gold);
}

.page-home .hero-frame h1 {
  margin: 0 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.05rem, 5.4vw, 3.55rem);
  line-height: 1.16;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-home .hero-frame__lead {
  margin: 0 0 1.7rem;
  max-width: 48ch;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--sage);
}

.page-home .hero-frame__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .8rem 1.3rem;
}

.page-home .hero-frame__aside {
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--sage);
}

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

.page-home .hero-frame__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--home-line);
  border-radius: calc(var(--radius) - 2px);
}

.page-home .hero-frame__media .figure__caption {
  margin-top: .7rem;
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--sage);
}

.page-home .hero-frame__annot {
  display: none;
}

@media (min-width: 900px) {
  .page-home .hero-frame {
    padding-left: 3.9rem;
  }

  .page-home .hero-frame__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  }

  .page-home .hero-frame__annot {
    display: block;
    position: absolute;
    left: 1.15rem;
    bottom: 3rem;
    font-size: .7rem;
    letter-spacing: .22em;
    color: var(--sage);
  }
}

/* ---------- 主体两栏 ---------- */
.page-home .home-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 2.6rem);
  margin-top: clamp(3rem, 7vw, 5rem);
}

.page-home .home-flow {
  display: flex;
  flex-direction: column;
  gap: var(--home-gap);
  min-width: 0;
}

@media (min-width: 1040px) {
  .page-home .home-body {
    grid-template-columns: minmax(0, 1fr) 212px;
    gap: 3.4rem;
  }

  .page-home .home-aside {
    order: 2;
  }
}

/* ---------- 章节 ---------- */
.page-home .home-chapter {
  min-width: 0;
  scroll-margin-top: 104px;
}

.page-home .home-chapter__head {
  display: flex;
  align-items: baseline;
  gap: .95rem;
  padding-bottom: .75rem;
  margin-bottom: 1.3rem;
  border-bottom: 1px solid var(--home-line-soft);
}

.page-home .home-chapter__no {
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  line-height: 1;
  letter-spacing: .06em;
  color: var(--sage);
  transition: color .24s ease;
}

.page-home .home-chapter.is-current .home-chapter__no {
  color: var(--gold-bright);
}

.page-home .home-chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.3rem, 2.6vw, 1.85rem);
  line-height: 1.35;
  color: var(--paper);
}

.page-home .home-chapter__lead {
  margin: 0 0 1.6rem;
  max-width: 68ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--sage);
}

.page-home .home-chapter__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin: 0;
}

/* ---------- 编号索引 Bento ---------- */
.page-home .bento-index {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .95rem;
}

.page-home .bento-card {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: var(--home-card-pad);
  border: 1px solid var(--home-line);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: transform .24s ease, border-color .24s ease;
}

.page-home .bento-card:hover,
.page-home .bento-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--gold);
}

.page-home .bento-card__no {
  font-size: clamp(2rem, 4.6vw, 2.9rem);
  line-height: 1;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-home .bento-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1.4;
  color: var(--paper);
}

.page-home .bento-card__desc {
  margin: 0;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--sage);
}

.page-home .bento-card__meta {
  margin-top: auto;
  padding-top: .85rem;
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--gold-bright);
}

@media (min-width: 760px) {
  .page-home .bento-index {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-home .bento-index > :nth-child(1) {
    grid-column: span 7;
  }

  .page-home .bento-index > :nth-child(2) {
    grid-column: span 5;
  }

  .page-home .bento-index > :nth-child(3) {
    grid-column: span 5;
  }

  .page-home .bento-index > :nth-child(4) {
    grid-column: span 7;
  }
}

.page-home .home-index-figure {
  margin: 1.4rem 0 0;
}

.page-home .home-index-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--home-line-soft);
  border-radius: var(--radius);
}

.page-home .home-index-figure .figure__caption {
  margin-top: .7rem;
  font-size: .78rem;
  line-height: 1.7;
  color: var(--sage);
}

/* ---------- 更新时间刻度 ---------- */
.page-home .timescale {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  padding: var(--home-card-pad);
  border: 1px solid var(--home-line);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(10px);
}

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

.page-home .timescale__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .ts-axis {
  stroke: var(--home-line);
  stroke-width: 1.5;
}

.page-home .ts-tick {
  stroke: var(--home-line);
  stroke-width: 1.5;
}

.page-home .ts-tick--gold {
  stroke: var(--gold);
  stroke-width: 2.4;
}

.page-home .ts-label {
  fill: var(--sage);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
}

.page-home .ts-label--gold {
  fill: var(--gold-bright);
}

.page-home .ts-node {
  fill: var(--gold);
}

.page-home .ts-node-halo {
  fill: none;
  stroke: var(--gold);
  stroke-width: 1;
  opacity: .4;
}

.page-home .ts-pointer {
  stroke: var(--gold-bright);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 400;
  stroke-dashoffset: 400;
  animation: home-ts-draw 1.5s .3s ease-out forwards;
}

.page-home .ts-pointer-dot {
  fill: var(--gold-bright);
  opacity: 0;
  animation: home-ts-fade .4s 1.7s ease-out forwards;
}

@keyframes home-ts-draw {
  to { stroke-dashoffset: 0; }
}

@keyframes home-ts-fade {
  to { opacity: 1; }
}

.page-home .timescale__fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: .85rem;
  margin-top: 1.2rem;
}

.page-home .timescale__field {
  padding: .85rem 1rem;
  border: 1px solid var(--home-line-soft);
  border-radius: 10px;
  background: rgba(14, 42, 36, .5);
  transition: border-color .24s ease;
}

.page-home .timescale__field:hover,
.page-home .timescale__field:focus-within {
  border-color: var(--gold);
}

.page-home .timescale__k {
  display: block;
  margin-bottom: .35rem;
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--sage);
}

.page-home .timescale__v {
  display: block;
  font-size: 1.02rem;
  letter-spacing: .02em;
  color: var(--gold-bright);
}

.page-home .timescale__note {
  display: block;
  margin-top: .45rem;
  font-size: .78rem;
  line-height: 1.65;
  color: var(--sage);
}

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

.page-home .timescale__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  border: 1px solid var(--home-line);
  border-radius: calc(var(--radius) - 2px);
}

.page-home .timescale__figure .figure__caption {
  margin-top: .6rem;
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--sage);
}

@media (min-width: 940px) {
  .page-home .timescale {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    align-items: center;
    gap: 2rem;
  }
}

/* ---------- 两种设备 ---------- */
.page-home .device-paths {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.7rem;
  padding: clamp(1.2rem, 3vw, 2.1rem);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--graphite);
}

.page-home .device-path {
  min-width: 0;
}

.page-home .device-path__figure {
  margin: 0 0 1rem;
}

.page-home .device-path__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 10px;
}

.page-home .device-path h3 {
  margin: 0 0 .9rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.22rem;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-home .device-path__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.page-home .device-path__steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .7rem;
  font-size: .96rem;
  line-height: 1.72;
  color: var(--graphite);
}

.page-home .device-path__steps li::before {
  content: counter(step, decimal-leading-zero);
  padding-top: .18rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .06em;
  color: var(--gold-deep);
}

.page-home .device-path__note {
  margin: 1rem 0 0;
  padding-top: .85rem;
  border-top: 1px dashed rgba(58, 63, 61, .28);
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--gold-deep);
}

@media (min-width: 860px) {
  .page-home .device-paths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2.2rem;
  }
}

/* ---------- 支持与响应 ---------- */
.page-home .support-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .95rem;
}

.page-home .support-card {
  display: flex;
  flex-direction: column;
  gap: .75rem;
  padding: var(--home-card-pad);
  border: 1px solid var(--home-line);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(10px);
}

.page-home .support-card__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .2em;
  color: var(--sage);
}

.page-home .support-card__mail {
  margin: 0;
  font-size: clamp(.95rem, 2.4vw, 1.15rem);
  letter-spacing: .01em;
  word-break: break-all;
  color: var(--gold-bright);
}

.page-home .support-card .copy-btn {
  align-self: flex-start;
}

.page-home .support-card__note {
  margin: 0;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--sage);
}

.page-home .support-card__more {
  margin: auto 0 0;
  padding-top: .4rem;
}

.page-home .support-card__link {
  color: var(--gold);
  font-size: .9rem;
  text-decoration: underline;
  text-underline-offset: .28em;
  text-decoration-color: var(--home-line);
}

.page-home .support-card__link:hover,
.page-home .support-card__link:focus-visible {
  color: var(--gold-bright);
  text-decoration-color: var(--gold-bright);
}

.page-home .support-card__items {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}

.page-home .support-card__items li {
  position: relative;
  padding-left: 1.1rem;
  font-size: .94rem;
  line-height: 1.7;
  color: var(--paper);
}

.page-home .support-card__items li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: .5rem;
  height: 1px;
  background: var(--gold);
}

@media (min-width: 780px) {
  .page-home .support-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
}

/* ---------- 右侧索引 ---------- */
.page-home .home-aside {
  min-width: 0;
}

.page-home .home-aside .toc {
  padding: 1rem 1.05rem;
  border: 1px solid var(--home-line);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(10px);
}

.page-home .home-aside .toc__title {
  margin: 0 0 .85rem;
  font-size: .72rem;
  letter-spacing: .22em;
  color: var(--sage);
}

.page-home .home-aside .toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .55rem;
}

.page-home .home-aside .toc__link {
  display: flex;
  align-items: baseline;
  gap: .55rem;
  font-size: .88rem;
  line-height: 1.5;
  color: var(--sage);
  text-decoration: none;
  transition: color .2s ease;
}

.page-home .home-aside .toc__link:hover,
.page-home .home-aside .toc__link:focus-visible,
.page-home .home-aside .toc__link.is-current {
  color: var(--gold-bright);
}

.page-home .home-aside .toc__no {
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--gold-deep);
}

.page-home .home-aside .toc__link.is-current .toc__no {
  color: var(--gold-bright);
}

@media (max-width: 1039px) {
  .page-home .home-aside {
    order: -1;
  }

  .page-home .home-aside .toc {
    padding: .85rem 1rem;
  }

  .page-home .home-aside .toc__list {
    flex-direction: row;
    gap: .4rem;
    overflow-x: auto;
    padding-bottom: .35rem;
    scrollbar-width: thin;
  }

  .page-home .home-aside .toc__link {
    flex: 0 0 auto;
    padding: .35rem .7rem;
    border: 1px solid var(--home-line-soft);
    border-radius: 999px;
    white-space: nowrap;
  }
}

/* ---------- 动效收敛 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .ts-pointer {
    animation: none;
    stroke-dashoffset: 0;
  }

  .page-home .ts-pointer-dot {
    animation: none;
    opacity: 1;
  }

  .page-home .bento-card,
  .page-home .home-chapter__no {
    transition: none;
  }

  .page-home .bento-card:hover,
  .page-home .bento-card:focus-visible {
    transform: none;
  }
}