.page-disclaimer .breadcrumb {
  padding: 20px 0 0;
}

.page-disclaimer .usage-hero {
  padding: 18px 0 8px;
}

.page-disclaimer .usage-hero__grid {
  display: grid;
  gap: 26px;
}

.page-disclaimer .usage-hero__eyebrow {
  display: inline-block;
  margin: 0 0 16px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--ochre);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--ochre);
}

.page-disclaimer .usage-hero__title {
  margin: 0 0 18px;
  max-width: 15em;
  font-size: clamp(30px, 7.2vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--indigo);
}

.page-disclaimer .usage-hero__lede {
  margin: 0 0 14px;
  max-width: 34em;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ink);
}

.page-disclaimer .usage-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-disclaimer .usage-hero__aside {
  border: 1px solid var(--indigo);
  background: var(--paper-2);
  padding: 18px 20px 20px;
  box-shadow: 4px 4px 0 rgba(23, 40, 90, 0.14);
}

.page-disclaimer .usage-hero__aside-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--ochre);
}

.page-disclaimer .usage-hero__aside-value {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 24px;
  letter-spacing: 0.04em;
  font-weight: 700;
  color: var(--indigo);
}

.page-disclaimer .usage-hero__meta {
  margin: 16px 0 0;
  display: grid;
  gap: 8px;
}

.page-disclaimer .usage-hero__meta-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding-top: 8px;
  border-top: 1px solid rgba(23, 40, 90, 0.16);
  font-size: 13.5px;
}

.page-disclaimer .usage-hero__meta-row dt {
  color: var(--mist);
}

.page-disclaimer .usage-hero__meta-row dd {
  margin: 0;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--indigo);
}

.page-disclaimer .usage-section {
  padding: 42px 0 0;
}

.page-disclaimer .usage-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 10px;
  margin-bottom: 22px;
  border-bottom: 2px solid var(--indigo);
}

.page-disclaimer .usage-head__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--ochre);
}

.page-disclaimer .usage-head__title {
  margin: 0;
  font-size: clamp(21px, 3.6vw, 29px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--indigo);
}

.page-disclaimer .usage-section__intro {
  margin: 0 0 22px;
  max-width: 36em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-disclaimer .usage-track {
  display: flex;
  gap: 12px;
  margin: 0;
  padding: 4px 2px 16px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .usage-track__item {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-disclaimer .usage-node {
  display: block;
  width: 168px;
  padding: 14px 14px 16px;
  border: 1px solid var(--indigo);
  background: var(--paper);
  color: var(--indigo);
  text-decoration: none;
  box-shadow: 3px 3px 0 rgba(23, 40, 90, 0.14);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .usage-node:hover {
  transform: translateY(-2px);
  border-color: var(--electric);
  box-shadow: 5px 5px 0 rgba(23, 40, 90, 0.18);
}

.page-disclaimer .usage-node:focus-visible {
  outline: 3px solid var(--electric);
  outline-offset: 2px;
}

.page-disclaimer .usage-node--main {
  background: var(--ochre);
  border-color: var(--ochre);
  color: var(--paper);
  box-shadow: 3px 3px 0 rgba(166, 59, 42, 0.3);
}

.page-disclaimer .usage-node__tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 2px 6px;
  border: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
}

.page-disclaimer .usage-node__name {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-disclaimer .usage-node__meta {
  display: block;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}

.page-disclaimer .usage-node--main .usage-node__meta {
  color: #F2DAD4;
}

.page-disclaimer .usage-figure {
  margin: 26px 0 0;
  border: 1px solid var(--indigo);
  background: var(--paper-2);
  overflow: hidden;
}

.page-disclaimer .usage-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-disclaimer .usage-figure__cap {
  padding: 10px 14px;
  border-top: 1px solid rgba(23, 40, 90, 0.18);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-disclaimer .usage-split {
  display: grid;
  gap: 26px;
}

.page-disclaimer .usage-split__main p {
  margin: 0 0 16px;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
}

.page-disclaimer .usage-split__side {
  border-left: 2px solid var(--ochre);
  padding: 2px 0 2px 16px;
}

.page-disclaimer .usage-side-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--ochre);
}

.page-disclaimer .usage-mini {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: usage-mini;
}

.page-disclaimer .usage-mini li {
  counter-increment: usage-mini;
  position: relative;
  padding: 0 0 10px 24px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
}

.page-disclaimer .usage-mini li::before {
  content: counter(usage-mini) ".";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--indigo-2);
}

.page-disclaimer .usage-side-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-disclaimer .usage-check {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .usage-check li {
  position: relative;
  padding: 6px 0 6px 22px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
  border-bottom: 1px solid rgba(23, 40, 90, 0.12);
}

.page-disclaimer .usage-check li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 14px;
  width: 8px;
  height: 8px;
  background: var(--turquoise);
}

.page-disclaimer .usage-check--dot li::before {
  border-radius: 50%;
  background: var(--yellow);
}

.page-disclaimer .usage-compare {
  border: 1px solid var(--indigo);
  background: var(--paper);
}

.page-disclaimer .usage-compare__head {
  display: none;
}

.page-disclaimer .usage-compare__row {
  padding: 16px;
  border-bottom: 1px solid rgba(23, 40, 90, 0.16);
  transition: background-color var(--dur) var(--ease);
}

.page-disclaimer .usage-compare__row:last-child {
  border-bottom: none;
}

.page-disclaimer .usage-compare__row:hover {
  background: var(--paper-2);
}

.page-disclaimer .usage-compare__k {
  display: block;
  margin-bottom: 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--indigo);
}

.page-disclaimer .usage-compare__cell {
  display: block;
  margin-bottom: 10px;
  padding-left: 12px;
  border-left: 2px solid var(--paper-2);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.page-disclaimer .usage-compare__cell--old {
  border-left-color: var(--indigo-2);
}

.page-disclaimer .usage-compare__cell--new {
  border-left-color: var(--turquoise);
}

.page-disclaimer .usage-compare__cell--old::before,
.page-disclaimer .usage-compare__cell--new::before {
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
}

.page-disclaimer .usage-compare__cell--old::before {
  content: "旧界面";
  color: var(--indigo-2);
}

.page-disclaimer .usage-compare__cell--new::before {
  content: "主线版";
  color: var(--turquoise);
}

.page-disclaimer .usage-note {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--yellow);
  background: rgba(232, 179, 58, 0.12);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-disclaimer .usage-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .usage-steps__item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(23, 40, 90, 0.14);
}

.page-disclaimer .usage-steps__item:last-child {
  border-bottom: none;
}

.page-disclaimer .usage-steps__n {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--ochre);
}

.page-disclaimer .usage-steps__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--indigo);
}

.page-disclaimer .usage-steps__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-disclaimer .usage-rules {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--indigo);
}

.page-disclaimer .usage-rules__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 12px 16px 4px;
  border-bottom: 1px solid rgba(23, 40, 90, 0.16);
  transition: background-color var(--dur) var(--ease);
}

.page-disclaimer .usage-rules__item:hover {
  background: var(--paper-2);
}

.page-disclaimer .usage-rules__n {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--indigo-2);
  padding-top: 2px;
}

.page-disclaimer .usage-rules__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--indigo);
}

.page-disclaimer .usage-rules__body p {
  margin: 0;
  max-width: 36em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-disclaimer .usage-inline-link {
  color: var(--indigo-2);
  text-decoration: underline;
  text-decoration-color: var(--electric);
  text-underline-offset: 3px;
}

.page-disclaimer .usage-inline-link:hover {
  color: var(--ochre);
}

.page-disclaimer .usage-inline-link:focus-visible {
  outline: 3px solid var(--electric);
  outline-offset: 2px;
}

.page-disclaimer .usage-log-list {
  border: 1px solid var(--indigo);
  background: var(--paper);
}

.page-disclaimer .usage-log {
  border-bottom: 1px solid rgba(23, 40, 90, 0.18);
}

.page-disclaimer .usage-log:last-child {
  border-bottom: none;
}

.page-disclaimer .usage-log__head {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "period time"
    "title title";
  gap: 6px 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  transition: background-color var(--dur) var(--ease);
}

.page-disclaimer .usage-log__head::-webkit-details-marker {
  display: none;
}

.page-disclaimer .usage-log__head:hover {
  background: var(--paper-2);
}

.page-disclaimer .usage-log__head:focus-visible {
  outline: 3px solid var(--electric);
  outline-offset: -3px;
}

.page-disclaimer .usage-log__period {
  grid-area: period;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--ochre);
}

.page-disclaimer .usage-log__title {
  grid-area: title;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--indigo);
}

.page-disclaimer .usage-log__time {
  grid-area: time;
  align-self: start;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-disclaimer .usage-log[open] .usage-log__head {
  background: var(--paper-2);
}

.page-disclaimer .usage-log__body {
  padding: 14px 16px 18px;
  border-top: 1px dashed rgba(23, 40, 90, 0.24);
}

.page-disclaimer .usage-log__body p {
  margin: 0;
  max-width: 36em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-disclaimer .usage-next {
  margin-top: 48px;
  background: var(--indigo);
  color: var(--paper);
}

.page-disclaimer .usage-next__inner {
  display: grid;
  gap: 22px;
  padding: 34px 0 38px;
}

.page-disclaimer .usage-next__kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--yellow);
}

.page-disclaimer .usage-next__title {
  margin: 0;
  max-width: 18em;
  font-size: clamp(21px, 4vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--paper);
}

.page-disclaimer .usage-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 820px) {
  .page-disclaimer .usage-compare__head,
  .page-disclaimer .usage-compare__row {
    display: grid;
    grid-template-columns: 168px minmax(0, 1fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-disclaimer .usage-compare__head {
    background: var(--indigo);
  }

  .page-disclaimer .usage-compare__head-cell {
    padding: 12px 16px;
    font-family: var(--font-mono);
    font-size: 11.5px;
    letter-spacing: 0.16em;
    color: var(--paper);
  }

  .page-disclaimer .usage-compare__row {
    padding: 0;
  }

  .page-disclaimer .usage-compare__k {
    margin: 0;
    padding: 16px;
    background: var(--paper-2);
    border-right: 1px solid rgba(23, 40, 90, 0.18);
    font-size: 14.5px;
  }

  .page-disclaimer .usage-compare__cell {
    margin: 0;
    padding: 16px 18px;
    border-left: none;
    font-size: 14.5px;
  }

  .page-disclaimer .usage-compare__cell--new {
    border-left: 1px solid var(--indigo);
  }

  .page-disclaimer .usage-compare__cell--old::before,
  .page-disclaimer .usage-compare__cell--new::before {
    display: none;
  }

  .page-disclaimer .usage-log__head {
    grid-template-columns: 108px minmax(0, 1fr) auto;
    grid-template-areas: "period title time";
    align-items: baseline;
  }

  .page-disclaimer .usage-log__period {
    font-size: 13px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .usage-hero {
    padding: 34px 0 10px;
  }

  .page-disclaimer .usage-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: start;
  }

  .page-disclaimer .usage-hero__aside {
    margin-top: 58px;
  }

  .page-disclaimer .usage-section {
    padding-top: 56px;
  }

  .page-disclaimer .usage-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    gap: 48px;
    align-items: start;
  }

  .page-disclaimer .usage-split--reverse {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
  }

  .page-disclaimer .usage-split__side--sticky {
    position: sticky;
    top: 24px;
  }

  .page-disclaimer .usage-figure {
    margin-top: 32px;
  }

  .page-disclaimer .usage-next__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .usage-node,
  .page-disclaimer .usage-rules__item,
  .page-disclaimer .usage-compare__row,
  .page-disclaimer .usage-log__head {
    transition: none;
  }

  .page-disclaimer .usage-node:hover {
    transform: none;
  }
}
<<<END>>>