.page-home {
  background: var(--yd-mist);
  color: var(--yd-ink);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  padding: clamp(56px, 9vw, 112px) 0 clamp(40px, 6vw, 64px);
}

.page-home .hero__inner {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  align-items: start;
}

.page-home .hero__crumb {
  margin: 0 0 18px;
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--yd-ink-2);
}

.page-home .hero__crumb-sep {
  padding: 0 8px;
  color: var(--yd-gold);
}

.page-home .hero__title {
  margin: 10px 0 0;
  font-size: clamp(32px, 6.2vw, 56px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  max-width: 15em;
}

.page-home .hero__lead {
  margin: 18px 0 0;
  max-width: 30em;
  color: var(--yd-ink-2);
}

.page-home .hero__panel {
  margin-top: 28px;
  background: var(--yd-ink);
  color: var(--yd-paper);
  padding: 22px clamp(18px, 3vw, 26px);
  border-left: 3px solid var(--yd-gold);
  box-shadow: var(--yd-shadow);
}

.page-home .hero__panel-k {
  margin: 0 0 16px;
  font-family: var(--yd-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--yd-gold);
}

.page-home .hero__stats {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-home .hero__stats > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(245, 242, 236, 0.16);
}

.page-home .hero__stats > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .hero__stats dt {
  margin: 0;
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--yd-teal-mist);
}

.page-home .hero__stats dd {
  margin: 0;
  font-family: var(--yd-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
}

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

/* ---------- 纵向索引 ---------- */
.page-home .hero__index {
  position: relative;
  overflow: hidden;
  background: var(--yd-paper);
  border: 1px solid var(--yd-rule);
  padding: clamp(20px, 3.2vw, 34px);
  box-shadow: var(--yd-shadow);
}

.page-home .hero__texture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.13;
  mix-blend-mode: multiply;
  pointer-events: none;
}

.page-home .hero__index-head,
.page-home .idx {
  position: relative;
  z-index: 1;
}

.page-home .hero__index-head {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--yd-rule);
}

.page-home .hero__index-head .yd-mono-note {
  margin: 0;
  color: var(--yd-teal);
  letter-spacing: 0.08em;
}

.page-home .hero__index-note {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--yd-ink-2);
}

.page-home .idx {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .idx__item:last-child .idx__link {
  border-bottom: 0;
}

.page-home .idx__link {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 18px 6px 18px 0;
  border-bottom: 1px solid var(--yd-rule);
  text-decoration: none;
  color: inherit;
  transition: background-color 0.2s ease, padding-left 0.2s ease;
}

.page-home .idx__link:hover,
.page-home .idx__link:focus-visible {
  background: rgba(216, 231, 228, 0.55);
  padding-left: 8px;
}

.page-home .idx__num {
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--yd-gold);
  padding-top: 6px;
}

.page-home .idx__body {
  display: block;
  min-width: 0;
}

.page-home .idx__kicker {
  display: block;
  font-family: var(--yd-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--yd-teal);
}

.page-home .idx__name {
  display: block;
  margin-top: 4px;
  font-family: var(--yd-display);
  font-weight: 800;
  font-size: clamp(20px, 3.4vw, 27px);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.page-home .idx__link:hover .idx__name,
.page-home .idx__link:focus-visible .idx__name {
  color: var(--yd-teal);
}

.page-home .idx__for {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--yd-ink-2);
}

.page-home .idx__more {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--yd-ink-2);
}

.page-home .idx__arrow {
  font-family: var(--yd-mono);
  font-size: 16px;
  color: var(--yd-gold);
  padding-top: 4px;
  transition: transform 0.2s ease;
}

.page-home .idx__link:hover .idx__arrow,
.page-home .idx__link:focus-visible .idx__arrow {
  transform: translateX(4px);
}

/* ---------- 规模条 ---------- */
.page-home .strip {
  background: var(--yd-ink);
  color: var(--yd-paper);
}

.page-home .strip__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 34px;
  padding-top: 18px;
  padding-bottom: 18px;
}

.page-home .strip__item {
  margin: 0;
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: rgba(245, 242, 236, 0.78);
}

.page-home .strip__k {
  color: var(--yd-gold);
  font-weight: 700;
  padding-right: 2px;
}

/* ---------- 四条产品线 ---------- */
.page-home .lines {
  background: var(--yd-paper);
  border-bottom: 1px solid var(--yd-rule);
  padding: clamp(52px, 8vw, 100px) 0;
}

.page-home .lines__inner {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-home .lines__aside .yd-h2 {
  margin: 10px 0 0;
  font-size: clamp(26px, 4.4vw, 40px);
  letter-spacing: -0.02em;
  line-height: 1.22;
}

.page-home .lines__aside .yd-prose {
  margin: 16px 0 0;
  color: var(--yd-ink-2);
}

.page-home .lines__link {
  display: inline-block;
  margin-top: 20px;
  font-family: var(--yd-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--yd-teal);
  text-decoration: none;
  border-bottom: 1px solid var(--yd-teal);
  padding-bottom: 3px;
}

.page-home .lines__list {
  display: grid;
}

.page-home .line {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 6px 14px;
  padding: 22px 0;
  border-top: 1px solid var(--yd-rule);
}

.page-home .line:last-child {
  border-bottom: 1px solid var(--yd-rule);
}

.page-home .line__num {
  margin: 0;
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--yd-teal);
  padding-top: 5px;
}

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

.page-home .line__title {
  margin: 0;
  font-family: var(--yd-display);
  font-weight: 800;
  font-size: 21px;
  letter-spacing: -0.01em;
}

.page-home .line__cap {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--yd-ink);
}

.page-home .line__case {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--yd-ink-2);
  padding-left: 12px;
  border-left: 2px solid var(--yd-gold);
}

.page-home .line__go {
  margin: 0;
  grid-column: 2;
}

.page-home .line__go a {
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--yd-teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 111, 107, 0.45);
  padding-bottom: 2px;
}

/* ---------- 多端阅读 ---------- */
.page-home .mobile-read {
  background: var(--yd-mist);
  padding: clamp(52px, 8vw, 96px) 0;
}

.page-home .mobile-read__inner {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
  align-items: center;
}

.page-home .mobile-read__text .yd-h2 {
  margin: 10px 0 0;
  font-size: clamp(26px, 4.4vw, 38px);
  line-height: 1.24;
  letter-spacing: -0.02em;
}

.page-home .mobile-read__text .yd-prose {
  margin: 16px 0 0;
  color: var(--yd-ink-2);
}

.page-home .steps-path {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .steps-path li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  font-size: 15px;
  line-height: 1.6;
}

.page-home .steps-path__n {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  font-family: var(--yd-mono);
  font-size: 12px;
  color: var(--yd-teal);
  border: 1px solid var(--yd-teal);
  border-radius: var(--yd-pill);
}

.page-home .mobile-read__text .yd-mono-note {
  margin: 22px 0 0;
  color: var(--yd-ink-2);
}

.page-home .mobile-read__fig,
.page-home .onboard__fig,
.page-home .notes__fig {
  margin: 0;
  border: 1px solid var(--yd-rule);
  background: var(--yd-paper);
  padding: 10px;
}

.page-home .mobile-read__fig img,
.page-home .onboard__fig img,
.page-home .notes__fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-home .mobile-read__fig img {
  aspect-ratio: 4 / 3;
}

.page-home .mobile-read__fig figcaption,
.page-home .onboard__fig figcaption,
.page-home .notes__fig figcaption {
  padding: 10px 4px 2px;
  font-family: var(--yd-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--yd-ink-2);
}

/* ---------- 上手步骤 ---------- */
.page-home .onboard {
  background: var(--yd-gold-light);
  padding: clamp(52px, 8vw, 100px) 0;
}

.page-home .onboard__head {
  max-width: 40em;
}

.page-home .onboard__head .yd-h2 {
  margin: 10px 0 0;
  font-size: clamp(26px, 4.6vw, 40px);
  line-height: 1.22;
  letter-spacing: -0.02em;
}

.page-home .onboard__head .yd-lead {
  margin: 14px 0 0;
  color: var(--yd-ink-2);
}

.page-home .onboard__fig {
  margin-top: clamp(26px, 4vw, 40px);
  border-color: rgba(18, 23, 22, 0.16);
}

.page-home .onboard__fig img {
  aspect-ratio: 3 / 2;
}

.page-home .onboard__cards {
  display: grid;
  gap: 12px;
  margin-top: clamp(24px, 3.5vw, 34px);
}

.page-home .step {
  background: var(--yd-paper);
  border: 1px solid rgba(18, 23, 22, 0.14);
  border-top: 3px solid var(--yd-teal);
  padding: 16px 18px 18px;
}

.page-home .step__sum {
  display: flex;
  align-items: baseline;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  font-family: var(--yd-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.page-home .step__sum::-webkit-details-marker {
  display: none;
}

.page-home .step__sum::after {
  content: "+";
  margin-left: auto;
  font-family: var(--yd-mono);
  font-weight: 400;
  font-size: 16px;
  color: var(--yd-teal);
}

.page-home .step[open] .step__sum::after {
  content: "–";
}

.page-home .step__n {
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--yd-gold);
  font-weight: 400;
  padding-top: 2px;
}

.page-home .step__body {
  padding-top: 12px;
  border-top: 1px solid var(--yd-rule);
  margin-top: 12px;
}

.page-home .step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--yd-ink-2);
}

.page-home .onboard__foot {
  margin: 22px 0 0;
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.9;
  color: var(--yd-ink-2);
}

.page-home .onboard__foot a {
  color: var(--yd-teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 111, 107, 0.5);
  padding-bottom: 2px;
  margin-left: 8px;
}

/* ---------- 最近更新 ---------- */
.page-home .notes {
  background: var(--yd-teal-deep);
  color: var(--yd-paper);
  padding: clamp(52px, 8vw, 100px) 0;
}

.page-home .notes__inner {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-home .notes__fig {
  background: rgba(251, 249, 245, 0.06);
  border-color: rgba(245, 242, 236, 0.2);
}

.page-home .notes__fig img {
  aspect-ratio: 3 / 2;
}

.page-home .notes__fig figcaption {
  color: rgba(245, 242, 236, 0.66);
}

.page-home .notes__body .yd-h2 {
  margin: 10px 0 0;
  font-size: clamp(26px, 4.4vw, 38px);
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--yd-paper);
}

.page-home .notes__lead {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(245, 242, 236, 0.78);
  max-width: 30em;
}

.page-home .notes__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-home .notes__item {
  border-top: 1px solid rgba(245, 242, 236, 0.2);
}

.page-home .notes__item:last-child {
  border-bottom: 1px solid rgba(245, 242, 236, 0.2);
}

.page-home .notes__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  padding: 16px 0;
  text-decoration: none;
  color: inherit;
  transition: padding-left 0.2s ease, background-color 0.2s ease;
}

.page-home .notes__link:hover,
.page-home .notes__link:focus-visible {
  padding-left: 8px;
  background: rgba(245, 242, 236, 0.06);
}

.page-home .notes__tag {
  font-family: var(--yd-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--yd-gold);
  border: 1px solid rgba(201, 164, 107, 0.5);
  padding: 2px 8px;
  align-self: start;
  white-space: nowrap;
}

.page-home .notes__title {
  font-size: 16px;
  line-height: 1.6;
  color: var(--yd-paper);
}

.page-home .notes__time {
  grid-column: 2;
  font-family: var(--yd-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(245, 242, 236, 0.58);
}

.page-home .version {
  margin-top: 26px;
  padding: 20px clamp(16px, 3vw, 24px);
  background: rgba(18, 23, 22, 0.28);
  border: 1px solid rgba(245, 242, 236, 0.24);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

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

.page-home .version__k {
  margin: 0;
  font-family: var(--yd-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--yd-gold);
}

.page-home .version__v {
  margin: 6px 0 0;
  font-family: var(--yd-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--yd-paper);
}

.page-home .version__m {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(245, 242, 236, 0.72);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .onboard__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-home .step {
    display: flex;
    flex-direction: column;
  }
}

@media (min-width: 960px) {
  .page-home .hero__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-home .hero__aside {
    position: sticky;
    top: 104px;
  }

  .page-home .lines__inner,
  .page-home .mobile-read__inner,
  .page-home .notes__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-home .lines__aside {
    position: sticky;
    top: 112px;
  }

  .page-home .mobile-read__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-home .line {
    grid-template-columns: 44px minmax(0, 1fr) 64px;
    align-items: start;
    padding: 26px 0;
  }

  .page-home .line__go {
    grid-column: 3;
    text-align: right;
  }

  .page-home .idx__more {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.25s ease, opacity 0.25s ease;
  }

  .page-home .idx__link:hover .idx__more,
  .page-home .idx__link:focus-visible .idx__more {
    max-height: 96px;
    opacity: 1;
  }
}

@media (min-width: 1200px) {
  .page-home .hero__index {
    padding: 36px 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .idx__link,
  .page-home .idx__arrow,
  .page-home .idx__more,
  .page-home .notes__link {
    transition: none;
  }

  .page-home .idx__link:hover .idx__arrow,
  .page-home .idx__link:focus-visible .idx__arrow {
    transform: none;
  }
}

.page-home {
  background: var(--yd-mist);
  color: var(--yd-ink);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  padding: clamp(56px, 9vw, 112px) 0 clamp(40px, 6vw, 64px);
}

.page-home .hero__inner {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  align-items: start;
}

.page-home .hero__crumb {
  margin: 0 0 18px;
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--yd-ink-2);
}

.page-home .hero__crumb-sep {
  padding: 0 8px;
  color: var(--yd-gold);
}

.page-home .hero__title {
  margin: 10px 0 0;
  font-size: clamp(32px, 6.2vw, 56px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  max-width: 15em;
}

.page-home .hero__lead {
  margin: 18px 0 0;
  max-width: 30em;
  color: var(--yd-ink-2);
}

.page-home .hero__panel {
  margin-top: 28px;
  background: var(--yd-ink);
  color: var(--yd-paper);
  padding: 22px clamp(18px, 3vw, 26px);
  border-left: 3px solid var(--yd-gold);
  box-shadow: var(--yd-shadow);
}

.page-home .hero__panel-k {
  margin: 0 0 16px;
  font-family: var(--yd-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--yd-gold);
}

.page-home .hero__stats {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-home .hero__stats > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(245, 242, 236, 0.16);
}

.page-home .hero__stats > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .hero__stats dt {
  margin: 0;
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--yd-teal-mist);
}

.page-home .hero__stats dd {
  margin: 0;
  font-family: var(--yd-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
}

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

/* ---------- 纵向索引 ---------- */
.page-home .hero__index {
  position: relative;
  overflow: hidden;
  background: var(--yd-paper);
  border: 1px solid var(--yd-rule);
  padding: clamp(20px, 3.2vw, 34px);
  box-shadow: var(--yd-shadow);
}

.page-home .hero__texture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.13;
  mix-blend-mode: multiply;
  pointer-events: none;
}

.page-home .hero__index-head,
.page-home .idx {
  position: relative;
  z-index: 1;
}

.page-home .hero__index-head {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--yd-rule);
}

.page-home .hero__index-head .yd-mono-note {
  margin: 0;
  color: var(--yd-teal);
  letter-spacing: 0.08em;
}

.page-home .hero__index-note {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--yd-ink-2);
}

.page-home .idx {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .idx__item:last-child .idx__link {
  border-bottom: 0;
}

.page-home .idx__link {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 18px 6px 18px 0;
  border-bottom: 1px solid var(--yd-rule);
  text-decoration: none;
  color: inherit;
  transition: background-color 0.2s ease, padding-left 0.2s ease;
}

.page-home .idx__link:hover,
.page-home .idx__link:focus-visible {
  background: rgba(216, 231, 228, 0.55);
  padding-left: 8px;
}

.page-home .idx__num {
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--yd-gold);
  padding-top: 6px;
}

.page-home .idx__body {
  display: block;
  min-width: 0;
}

.page-home .idx__kicker {
  display: block;
  font-family: var(--yd-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--yd-teal);
}

.page-home .idx__name {
  display: block;
  margin-top: 4px;
  font-family: var(--yd-display);
  font-weight: 800;
  font-size: clamp(20px, 3.4vw, 27px);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.page-home .idx__link:hover .idx__name,
.page-home .idx__link:focus-visible .idx__name {
  color: var(--yd-teal);
}

.page-home .idx__for {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--yd-ink-2);
}

.page-home .idx__more {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--yd-ink-2);
}

.page-home .idx__arrow {
  font-family: var(--yd-mono);
  font-size: 16px;
  color: var(--yd-gold);
  padding-top: 4px;
  transition: transform 0.2s ease;
}

.page-home .idx__link:hover .idx__arrow,
.page-home .idx__link:focus-visible .idx__arrow {
  transform: translateX(4px);
}

/* ---------- 规模条 ---------- */
.page-home .strip {
  background: var(--yd-ink);
  color: var(--yd-paper);
}

.page-home .strip__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 34px;
  padding-top: 18px;
  padding-bottom: 18px;
}

.page-home .strip__item {
  margin: 0;
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: rgba(245, 242, 236, 0.78);
}

.page-home .strip__k {
  color: var(--yd-gold);
  font-weight: 700;
  padding-right: 2px;
}

/* ---------- 四条产品线 ---------- */
.page-home .lines {
  background: var(--yd-paper);
  border-bottom: 1px solid var(--yd-rule);
  padding: clamp(52px, 8vw, 100px) 0;
}

.page-home .lines__inner {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-home .lines__aside .yd-h2 {
  margin: 10px 0 0;
  font-size: clamp(26px, 4.4vw, 40px);
  letter-spacing: -0.02em;
  line-height: 1.22;
}

.page-home .lines__aside .yd-prose {
  margin: 16px 0 0;
  color: var(--yd-ink-2);
}

.page-home .lines__link {
  display: inline-block;
  margin-top: 20px;
  font-family: var(--yd-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--yd-teal);
  text-decoration: none;
  border-bottom: 1px solid var(--yd-teal);
  padding-bottom: 3px;
}

.page-home .lines__list {
  display: grid;
}

.page-home .line {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 6px 14px;
  padding: 22px 0;
  border-top: 1px solid var(--yd-rule);
}

.page-home .line:last-child {
  border-bottom: 1px solid var(--yd-rule);
}

.page-home .line__num {
  margin: 0;
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--yd-teal);
  padding-top: 5px;
}

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

.page-home .line__title {
  margin: 0;
  font-family: var(--yd-display);
  font-weight: 800;
  font-size: 21px;
  letter-spacing: -0.01em;
}

.page-home .line__cap {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--yd-ink);
}

.page-home .line__case {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--yd-ink-2);
  padding-left: 12px;
  border-left: 2px solid var(--yd-gold);
}

.page-home .line__go {
  margin: 0;
  grid-column: 2;
}

.page-home .line__go a {
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--yd-teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 111, 107, 0.45);
  padding-bottom: 2px;
}

/* ---------- 多端阅读 ---------- */
.page-home .mobile-read {
  background: var(--yd-mist);
  padding: clamp(52px, 8vw, 96px) 0;
}

.page-home .mobile-read__inner {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
  align-items: center;
}

.page-home .mobile-read__text .yd-h2 {
  margin: 10px 0 0;
  font-size: clamp(26px, 4.4vw, 38px);
  line-height: 1.24;
  letter-spacing: -0.02em;
}

.page-home .mobile-read__text .yd-prose {
  margin: 16px 0 0;
  color: var(--yd-ink-2);
}

.page-home .steps-path {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .steps-path li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  font-size: 15px;
  line-height: 1.6;
}

.page-home .steps-path__n {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  font-family: var(--yd-mono);
  font-size: 12px;
  color: var(--yd-teal);
  border: 1px solid var(--yd-teal);
  border-radius: var(--yd-pill);
}

.page-home .mobile-read__text .yd-mono-note {
  margin: 22px 0 0;
  color: var(--yd-ink-2);
}

.page-home .mobile-read__fig,
.page-home .onboard__fig,
.page-home .notes__fig {
  margin: 0;
  border: 1px solid var(--yd-rule);
  background: var(--yd-paper);
  padding: 10px;
}

.page-home .mobile-read__fig img,
.page-home .onboard__fig img,
.page-home .notes__fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-home .mobile-read__fig img {
  aspect-ratio: 4 / 3;
}

.page-home .mobile-read__fig figcaption,
.page-home .onboard__fig figcaption,
.page-home .notes__fig figcaption {
  padding: 10px 4px 2px;
  font-family: var(--yd-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--yd-ink-2);
}

/* ---------- 上手步骤 ---------- */
.page-home .onboard {
  background: var(--yd-gold-light);
  padding: clamp(52px, 8vw, 100px) 0;
}

.page-home .onboard__head {
  max-width: 40em;
}

.page-home .onboard__head .yd-h2 {
  margin: 10px 0 0;
  font-size: clamp(26px, 4.6vw, 40px);
  line-height: 1.22;
  letter-spacing: -0.02em;
}

.page-home .onboard__head .yd-lead {
  margin: 14px 0 0;
  color: var(--yd-ink-2);
}

.page-home .onboard__fig {
  margin-top: clamp(26px, 4vw, 40px);
  border-color: rgba(18, 23, 22, 0.16);
}

.page-home .onboard__fig img {
  aspect-ratio: 3 / 2;
}

.page-home .onboard__cards {
  display: grid;
  gap: 12px;
  margin-top: clamp(24px, 3.5vw, 34px);
}

.page-home .step {
  background: var(--yd-paper);
  border: 1px solid rgba(18, 23, 22, 0.14);
  border-top: 3px solid var(--yd-teal);
  padding: 16px 18px 18px;
}

.page-home .step__sum {
  display: flex;
  align-items: baseline;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  font-family: var(--yd-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.page-home .step__sum::-webkit-details-marker {
  display: none;
}

.page-home .step__sum::after {
  content: "+";
  margin-left: auto;
  font-family: var(--yd-mono);
  font-weight: 400;
  font-size: 16px;
  color: var(--yd-teal);
}

.page-home .step[open] .step__sum::after {
  content: "–";
}

.page-home .step__n {
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--yd-gold);
  font-weight: 400;
  padding-top: 2px;
}

.page-home .step__body {
  padding-top: 12px;
  border-top: 1px solid var(--yd-rule);
  margin-top: 12px;
}

.page-home .step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--yd-ink-2);
}

.page-home .onboard__foot {
  margin: 22px 0 0;
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.9;
  color: var(--yd-ink-2);
}

.page-home .onboard__foot a {
  color: var(--yd-teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 111, 107, 0.5);
  padding-bottom: 2px;
  margin-left: 8px;
}

/* ---------- 最近更新 ---------- */
.page-home .notes {
  background: var(--yd-teal-deep);
  color: var(--yd-paper);
  padding: clamp(52px, 8vw, 100px) 0;
}

.page-home .notes__inner {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-home .notes__fig {
  background: rgba(251, 249, 245, 0.06);
  border-color: rgba(245, 242, 236, 0.2);
}

.page-home .notes__fig img {
  aspect-ratio: 3 / 2;
}

.page-home .notes__fig figcaption {
  color: rgba(245, 242, 236, 0.66);
}

.page-home .notes__body .yd-h2 {
  margin: 10px 0 0;
  font-size: clamp(26px, 4.4vw, 38px);
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--yd-paper);
}

.page-home .notes__lead {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(245, 242, 236, 0.78);
  max-width: 30em;
}

.page-home .notes__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-home .notes__item {
  border-top: 1px solid rgba(245, 242, 236, 0.2);
}

.page-home .notes__item:last-child {
  border-bottom: 1px solid rgba(245, 242, 236, 0.2);
}

.page-home .notes__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  padding: 16px 0;
  text-decoration: none;
  color: inherit;
  transition: padding-left 0.2s ease, background-color 0.2s ease;
}

.page-home .notes__link:hover,
.page-home .notes__link:focus-visible {
  padding-left: 8px;
  background: rgba(245, 242, 236, 0.06);
}

.page-home .notes__tag {
  font-family: var(--yd-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--yd-gold);
  border: 1px solid rgba(201, 164, 107, 0.5);
  padding: 2px 8px;
  align-self: start;
  white-space: nowrap;
}

.page-home .notes__title {
  font-size: 16px;
  line-height: 1.6;
  color: var(--yd-paper);
}

.page-home .notes__time {
  grid-column: 2;
  font-family: var(--yd-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(245, 242, 236, 0.58);
}

.page-home .version {
  margin-top: 26px;
  padding: 20px clamp(16px, 3vw, 24px);
  background: rgba(18, 23, 22, 0.28);
  border: 1px solid rgba(245, 242, 236, 0.24);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

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

.page-home .version__k {
  margin: 0;
  font-family: var(--yd-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--yd-gold);
}

.page-home .version__v {
  margin: 6px 0 0;
  font-family: var(--yd-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--yd-paper);
}

.page-home .version__m {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(245, 242, 236, 0.72);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .onboard__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-home .step {
    display: flex;
    flex-direction: column;
  }
}

@media (min-width: 960px) {
  .page-home .hero__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-home .hero__aside {
    position: sticky;
    top: 104px;
  }

  .page-home .lines__inner,
  .page-home .notes__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-home .lines__aside {
    position: sticky;
    top: 112px;
  }

  .page-home .mobile-read__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-home .line {
    grid-template-columns: 44px minmax(0, 1fr) 64px;
    align-items: start;
    padding: 26px 0;
  }

  .page-home .line__go {
    grid-column: 3;
    text-align: right;
  }

  .page-home .idx__more {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.25s ease, opacity 0.25s ease;
  }

  .page-home .idx__link:hover .idx__more,
  .page-home .idx__link:focus-visible .idx__more {
    max-height: 96px;
    opacity: 1;
  }
}

@media (min-width: 1200px) {
  .page-home .hero__index {
    padding: 36px 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .idx__link,
  .page-home .idx__arrow,
  .page-home .idx__more,
  .page-home .notes__link {
    transition: none;
  }

  .page-home .idx__link:hover .idx__arrow,
  .page-home .idx__link:focus-visible .idx__arrow {
    transform: none;
  }
}