.page-disclaimer {
  --rule-line: rgba(169, 198, 216, .16);
  --num-ghost: rgba(169, 198, 216, .2);
  overflow-x: clip;
  padding-bottom: clamp(3rem, 7vw, 6rem);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero {
  padding-top: clamp(1.4rem, 3vw, 2.2rem);
}

.page-disclaimer .usage-hero h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.2vw, 3.5rem);
  line-height: 1.16;
  letter-spacing: -.015em;
  margin: .7rem 0 1.1rem;
  max-width: 21ch;
}

.page-disclaimer .usage-hero__lede {
  color: var(--muted);
  font-size: clamp(1rem, 1.3vw, 1.0625rem);
  line-height: 1.85;
  max-width: 62ch;
  margin: 0;
}

.page-disclaimer .usage-hero__facts {
  list-style: none;
  margin: clamp(1.5rem, 3vw, 2.2rem) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .6rem clamp(1.2rem, 3vw, 2.6rem);
}

.page-disclaimer .usage-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: .45rem;
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--muted);
  padding-bottom: .4rem;
  border-bottom: 2px solid var(--rule-line);
}

.page-disclaimer .usage-hero__facts .mono {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--winter);
  letter-spacing: 0;
}

/* ---------- 顶部横幅 ---------- */
.page-disclaimer .usage-banner {
  margin: clamp(1.6rem, 3.5vw, 2.6rem) 0 clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--rule-line);
  border-bottom: 1px solid var(--rule-line);
  background: var(--panel);
  aspect-ratio: 1920 / 520;
  max-height: 360px;
  width: 100%;
  overflow: hidden;
  position: relative;
}

.page-disclaimer .usage-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.page-disclaimer .usage-banner__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  right: 0;
  padding: .7rem clamp(1rem, 4vw, 2rem);
  font-size: .8125rem;
  letter-spacing: .08em;
  color: var(--winter);
  background: linear-gradient(to top, rgba(7, 18, 14, .92), rgba(7, 18, 14, 0));
}

/* ---------- 主布局 ---------- */
.page-disclaimer .usage-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.6rem, 4vw, 3rem);
}

/* ---------- 左侧栏 ---------- */
.page-disclaimer .usage-rail {
  display: grid;
  gap: 1.4rem;
  align-content: start;
}

.page-disclaimer .usage-legend {
  border: 1px solid var(--rule-line);
  border-radius: var(--r-md);
  background: var(--panel);
  padding: 1rem 1.05rem 1.1rem;
}

.page-disclaimer .usage-legend__title {
  font-family: var(--font-num);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 .8rem;
}

.page-disclaimer .usage-legend ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .5rem;
}

.page-disclaimer .usage-legend li {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .8125rem;
  color: var(--text);
  line-height: 1.4;
  min-width: 0;
}

.page-disclaimer .usage-legend .dot {
  flex: none;
}

.page-disclaimer .usage-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .15rem;
}

.page-disclaimer .usage-toc a {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  padding: .55rem .7rem;
  border-radius: var(--r-sm);
  border-left: 2px solid transparent;
  color: var(--muted);
  text-decoration: none;
  font-size: .9375rem;
  line-height: 1.5;
  transition: color .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-disclaimer .usage-toc a .mono {
  flex: none;
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--teal);
}

.page-disclaimer .usage-toc a:hover {
  color: var(--text);
  background: var(--panel-up);
  border-left-color: var(--teal);
}

.page-disclaimer .usage-toc a:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
  color: var(--text);
  background: var(--panel-up);
}

/* ---------- 条款 ---------- */
.page-disclaimer .usage-body {
  display: grid;
  min-width: 0;
}

.page-disclaimer .clause {
  display: grid;
  grid-template-columns: 1fr;
  gap: .7rem;
  padding: clamp(1.5rem, 3vw, 2.2rem) 0;
  border-top: 1px solid var(--rule-line);
  scroll-margin-top: 96px;
}

.page-disclaimer .clause:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .clause__num {
  font-family: var(--font-num);
  font-weight: 600;
  font-size: clamp(2.6rem, 8vw, 3.4rem);
  line-height: .85;
  letter-spacing: -.03em;
  color: var(--num-ghost);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .clause__body {
  min-width: 0;
}

.page-disclaimer .clause__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.3rem, 2.5vw, 1.7rem);
  line-height: 1.32;
  letter-spacing: -.01em;
  margin: 0 0 .95rem;
}

.page-disclaimer .clause__body > p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.85;
  margin: 0 0 1rem;
  max-width: 68ch;
}

.page-disclaimer .clause__body > p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .clause__body ul {
  list-style: none;
  margin: 0 0 1.1rem;
  padding: 0;
  display: grid;
  gap: .5rem;
  max-width: 68ch;
}

.page-disclaimer .clause__body li {
  position: relative;
  padding-left: 1.15rem;
  color: var(--muted);
  font-size: .9375rem;
  line-height: 1.8;
}

.page-disclaimer .clause__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
}

.page-disclaimer .key-line {
  color: var(--text);
  background-image: linear-gradient(var(--winter), var(--winter));
  background-repeat: no-repeat;
  background-size: 100% 2px;
  background-position: 0 100%;
  padding-bottom: 4px;
}

/* ---------- 状态表 ---------- */
.page-disclaimer .usage-table-wrap {
  overflow-x: auto;
  margin: 0 0 1.1rem;
  border: 1px solid var(--rule-line);
  border-radius: var(--r-md);
  background: var(--panel);
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .usage-states {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: .9375rem;
}

.page-disclaimer .usage-states thead th {
  background: var(--panel-up);
  color: var(--muted);
  font-family: var(--font-num);
  font-weight: 600;
  font-size: .6875rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  text-align: left;
  padding: .7rem .9rem;
  border-bottom: 1px solid var(--rule-line);
  white-space: nowrap;
}

.page-disclaimer .usage-states tbody th,
.page-disclaimer .usage-states tbody td {
  padding: .85rem .9rem;
  border-bottom: 1px solid var(--line-soft);
  color: var(--muted);
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
  font-weight: 400;
}

.page-disclaimer .usage-states tbody tr:nth-child(even) th,
.page-disclaimer .usage-states tbody tr:nth-child(even) td {
  background: rgba(242, 246, 243, .03);
}

.page-disclaimer .usage-states tbody tr:last-child th,
.page-disclaimer .usage-states tbody tr:last-child td {
  border-bottom: 0;
}

.page-disclaimer .usage-states tbody th {
  color: var(--text);
  font-weight: 600;
  white-space: nowrap;
}

.page-disclaimer .usage-states .dot {
  margin-right: .5rem;
  vertical-align: middle;
}

.page-disclaimer .usage-states tbody tr:first-child th {
  color: var(--ok);
}

.page-disclaimer .usage-states tbody tr:nth-child(2) th {
  color: var(--autumn);
}

.page-disclaimer .usage-states tbody tr:nth-child(3) th {
  color: var(--winter);
}

/* ---------- 收尾入口 ---------- */
.page-disclaimer .usage-cta {
  margin-top: 1.4rem;
  padding: 1.2rem 1.25rem 1.3rem;
  border: 1px solid var(--rule-line);
  border-radius: var(--r-lg);
  background: linear-gradient(140deg, var(--panel) 0%, rgba(124, 108, 255, .09) 100%);
}

.page-disclaimer .usage-cta__text {
  margin: 0 0 .95rem;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.6;
}

.page-disclaimer .usage-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

.page-disclaimer .usage-cta__actions .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .clause {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 1.4rem;
  }

  .page-disclaimer .usage-legend ul {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .usage-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 4.5rem);
  }

  .page-disclaimer .usage-rail {
    position: sticky;
    top: 92px;
    align-self: start;
  }

  .page-disclaimer .clause {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 1.8rem;
  }

  .page-disclaimer .clause__num {
    font-size: clamp(3.2rem, 4.4vw, 4rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .usage-toc a {
    transition: none;
  }
}
<<<END>>>