.page-disclaimer {
  --doc-measure: 42em;
  --doc-rule: rgba(199, 206, 210, 0.22);
  --doc-tint: rgba(19, 20, 23, 0.72);
  background:
    radial-gradient(120% 58% at 10% 0%, rgba(20, 69, 58, 0.55), rgba(14, 43, 35, 0) 62%),
    var(--ink-green);
  color: var(--paper);
  padding-block: clamp(20px, 3vw, 36px) clamp(56px, 8vw, 104px);
}

/* 页头 */
.page-disclaimer .doc-head {
  max-width: 880px;
  margin-top: clamp(18px, 3vw, 32px);
}

.page-disclaimer .doc-head__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5vw, 54px);
  line-height: 1.12;
  letter-spacing: 0.01em;
  overflow-wrap: break-word;
}

.page-disclaimer .doc-head__lead {
  margin: 18px 0 0;
  max-width: var(--doc-measure);
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.85;
  color: var(--text-soft);
}

.page-disclaimer .doc-banner {
  position: relative;
  margin: clamp(24px, 3.5vw, 40px) 0 0;
  border: 1px solid var(--line);
  background: var(--carbon);
  overflow: hidden;
}

.page-disclaimer .doc-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 1;
  object-fit: cover;
}

.page-disclaimer .doc-banner::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 104px;
  height: 4px;
  background: var(--signal);
}

/* 顶部提示带 */
.page-disclaimer .notice-band {
  display: grid;
  grid-template-columns: 6px minmax(0, 1fr);
  margin-top: clamp(24px, 3.5vw, 40px);
  border: 1px solid var(--line);
  background: var(--carbon);
}

.page-disclaimer .notice-band__bar {
  background: var(--signal);
}

.page-disclaimer .notice-band__body {
  padding: clamp(16px, 2vw, 22px) clamp(16px, 2.4vw, 26px);
}

.page-disclaimer .notice-band__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-disclaimer .notice-band__text {
  margin: 9px 0 0;
  max-width: 62em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
}

/* 条文骨架 */
.page-disclaimer .usage-sheet {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 34px);
  margin-top: clamp(36px, 5vw, 64px);
}

.page-disclaimer .usage-aside__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-mute);
}

.page-disclaimer .usage-aside__list {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-disclaimer .usage-aside__item {
  flex: none;
}

.page-disclaimer .usage-aside__link {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  color: var(--text-soft);
  text-decoration: none;
  font-size: 13px;
  white-space: nowrap;
  transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease;
}

.page-disclaimer .usage-aside__no {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--signal);
}

.page-disclaimer .usage-aside__link:hover,
.page-disclaimer .usage-aside__link:focus-visible {
  border-color: var(--signal);
  background: rgba(255, 106, 26, 0.12);
  color: var(--paper);
}

/* 条文本体 */
.page-disclaimer .usage-body {
  min-width: 0;
}

.page-disclaimer .clause {
  padding: clamp(20px, 2.6vw, 30px) 0;
  border-top: 1px solid var(--doc-rule);
}

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

.page-disclaimer .clause__title {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: 0.01em;
}

.page-disclaimer .clause__num {
  flex: none;
  padding: 4px 8px;
  border: 1px solid rgba(255, 106, 26, 0.55);
  color: var(--signal);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.1em;
  line-height: 1;
}

.page-disclaimer .clause__text {
  margin: 0 0 14px;
  max-width: var(--doc-measure);
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-disclaimer .clause__text:last-child {
  margin-bottom: 0;
}

.page-disclaimer .clause__list {
  display: grid;
  gap: 10px;
  margin: 0 0 14px;
  padding: 0;
  max-width: var(--doc-measure);
  list-style: none;
}

.page-disclaimer .clause__list li {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-disclaimer .clause__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 10px;
  height: 2px;
  background: var(--signal);
}

.page-disclaimer .clause__link {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 180, 61, 0.5);
  transition: color 180ms ease, border-color 180ms ease;
}

.page-disclaimer .clause__link:hover,
.page-disclaimer .clause__link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--signal);
}

/* 版本标识展开面板 */
.page-disclaimer .version-sheet {
  margin: 18px 0 0;
  max-width: var(--doc-measure);
  border: 1px solid var(--line);
  background: var(--doc-tint);
}

.page-disclaimer .version-sheet__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.06em;
  color: var(--amber);
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .version-sheet__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .version-sheet__summary::before {
  content: "";
  flex: none;
  width: 0;
  height: 0;
  border-left: 6px solid currentColor;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  transition: transform 180ms ease;
}

.page-disclaimer .version-sheet[open] .version-sheet__summary::before {
  transform: rotate(90deg);
}

.page-disclaimer .version-sheet__body {
  padding: 6px 16px 18px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .version-sheet__list {
  margin: 0;
}

.page-disclaimer .version-sheet__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
}

.page-disclaimer .version-sheet__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-disclaimer .version-sheet__term {
  margin: 0;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
  color: var(--silver);
}

.page-disclaimer .version-sheet__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}

/* 底部相关入口 */
.page-disclaimer .doc-foot {
  margin-top: clamp(40px, 5.5vw, 72px);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--line-strong);
}

.page-disclaimer .doc-foot__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-disclaimer .doc-foot__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .doc-foot__link {
  display: inline-block;
  padding: 9px 15px;
  border: 1px solid var(--line-strong);
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  transition: border-color 180ms ease, background-color 180ms ease;
}

.page-disclaimer .doc-foot__link:hover,
.page-disclaimer .doc-foot__link:focus-visible {
  border-color: var(--signal);
  background: rgba(255, 106, 26, 0.14);
}

@media (max-width: 480px) {
  .page-disclaimer .notice-band__text,
  .page-disclaimer .clause__text,
  .page-disclaimer .clause__list li {
    font-size: 15px;
  }

  .page-disclaimer .clause__title {
    gap: 9px;
  }
}

@media (min-width: 720px) {
  .page-disclaimer .version-sheet__row {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .usage-sheet {
    grid-template-columns: minmax(0, 640px) 200px;
    justify-content: space-between;
    gap: clamp(40px, 6vw, 84px);
  }

  .page-disclaimer .usage-aside {
    grid-column: 2;
    grid-row: 1;
    align-self: start;
    position: sticky;
    top: 128px;
  }

  .page-disclaimer .usage-body {
    grid-column: 1;
    grid-row: 1;
  }

  .page-disclaimer .usage-aside__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .usage-aside__item {
    flex: initial;
  }

  .page-disclaimer .usage-aside__link {
    display: flex;
    width: 100%;
    box-sizing: border-box;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .usage-aside__link,
  .page-disclaimer .clause__link,
  .page-disclaimer .doc-foot__link,
  .page-disclaimer .version-sheet__summary::before {
    transition: none;
  }

  .page-disclaimer .version-sheet[open] .version-sheet__summary::before {
    transform: none;
  }
}