.page-disclaimer {
  --disc-card-bg: rgba(13, 44, 66, 0.55);
  --disc-card-bg-strong: rgba(13, 44, 66, 0.92);
  --disc-live: var(--cyan-400);
  --disc-check: var(--gold-400);
  --disc-update: var(--coral-500);
  padding-bottom: clamp(64px, 9vw, 120px);
}

.page-disclaimer .crumbs {
  padding-top: clamp(88px, 13vw, 150px);
  font-size: 13px;
  color: var(--text-secondary);
}

.page-disclaimer .crumbs a {
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-disclaimer .crumbs a:hover,
.page-disclaimer .crumbs a:focus-visible {
  color: var(--cyan-400);
  border-color: var(--cyan-400);
}

.page-disclaimer .crumbs span[aria-current="page"] {
  color: var(--text-primary);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-hero {
  position: relative;
  padding-block: clamp(24px, 4vw, 40px) clamp(32px, 5vw, 64px);
}

.page-disclaimer .disc-hero::after {
  content: "";
  position: absolute;
  inset-inline: clamp(20px, 5vw, 64px);
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan-400), rgba(55, 224, 216, 0.12) 46%, var(--gold-400));
  opacity: 0.55;
}

.page-disclaimer .disc-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-disclaimer .disc-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(40px, 8vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.page-disclaimer .disc-hero__lead {
  margin-top: 20px;
  max-width: 56ch;
  color: var(--text-secondary);
}

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

.page-disclaimer .disc-hero__aside {
  position: relative;
  padding: 22px 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(55, 224, 216, 0.10), transparent 62%),
    var(--disc-card-bg);
  box-shadow: var(--shadow-soft);
}

.page-disclaimer .disc-hero__aside::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 0;
  width: 44px;
  height: 2px;
  background: var(--gold-400);
}

.page-disclaimer .disc-hero__aside-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
}

.page-disclaimer .disc-hero__aside-name {
  margin: 8px 0 4px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 24px;
  color: var(--text-primary);
}

.page-disclaimer .disc-hero__aside-code {
  margin: 0;
  color: var(--gold-400);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-disclaimer .disc-hero__facts {
  list-style: none;
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line-soft);
  display: grid;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}

.page-disclaimer .disc-hero__facts .mono {
  color: var(--cyan-400);
  margin-right: 6px;
}

/* ---------- 主布局 ---------- */
.page-disclaimer .disc-layout {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
  padding-top: clamp(32px, 5vw, 56px);
}

.page-disclaimer .disc-index {
  align-self: start;
}

.page-disclaimer .disc-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--text-secondary);
}

.page-disclaimer .disc-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  border-left: 1px solid var(--line-soft);
  padding-left: 2px;
}

.page-disclaimer .disc-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14px;
  white-space: nowrap;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 200ms var(--ease), background 200ms var(--ease), border-color 200ms var(--ease);
}

.page-disclaimer .disc-index__link .mono {
  font-size: 12px;
  color: var(--gold-400);
}

.page-disclaimer .disc-index__link:hover,
.page-disclaimer .disc-index__link:focus-visible {
  color: var(--text-primary);
  background: rgba(55, 224, 216, 0.08);
  border-left-color: var(--cyan-400);
}

/* ---------- 章节 ---------- */
.page-disclaimer .disc-chapter {
  padding-block: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 96px;
}

.page-disclaimer .disc-chapter:first-child {
  border-top: none;
  padding-top: 0;
}

.page-disclaimer .disc-chapter--last {
  padding-bottom: 0;
}

.page-disclaimer .disc-chapter__head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 22px;
}

.page-disclaimer .disc-chapter__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--gold-400);
  opacity: 0.9;
}

.page-disclaimer .disc-chapter__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.25;
  color: var(--text-primary);
}

.page-disclaimer .disc-chapter__sub {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-secondary);
}

.page-disclaimer .disc-text {
  margin: 0 0 18px;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-secondary);
}

/* ---------- 表格 ---------- */
.page-disclaimer .disc-table-wrap {
  margin: 0 0 26px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--disc-card-bg);
}

.page-disclaimer .disc-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-disclaimer .disc-table th,
.page-disclaimer .disc-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
  line-height: 1.7;
}

.page-disclaimer .disc-table tbody tr:last-child th,
.page-disclaimer .disc-table tbody tr:last-child td {
  border-bottom: none;
}

.page-disclaimer .disc-table thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--cyan-400);
  background: rgba(22, 64, 92, 0.45);
}

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

.page-disclaimer .disc-table tbody td {
  color: var(--text-secondary);
}

/* ---------- 折叠规则卡 ---------- */
.page-disclaimer .disc-rules {
  display: grid;
  gap: 10px;
  max-width: 74ch;
}

.page-disclaimer .disc-rule {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--disc-card-bg);
  transition: border-color 220ms var(--ease), background 220ms var(--ease), transform 220ms var(--ease);
}

.page-disclaimer .disc-rule:hover {
  border-color: rgba(55, 224, 216, 0.5);
  transform: translateY(-2px);
}

.page-disclaimer .disc-rule[open] {
  border-color: rgba(55, 224, 216, 0.6);
  background: var(--disc-card-bg-strong);
}

.page-disclaimer .disc-rule summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .disc-rule summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .disc-rule summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan-400);
}

.page-disclaimer .disc-rule[open] summary::after {
  content: "–";
}

.page-disclaimer .disc-rule summary:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: -2px;
  border-radius: var(--radius-md);
}

.page-disclaimer .disc-rule__code {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold-400);
}

.page-disclaimer .disc-rule__title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--text-primary);
}

.page-disclaimer .disc-rule__body {
  margin: 0;
  padding: 0 18px 18px 18px;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-secondary);
}

/* ---------- 使用规范三块 ---------- */
.page-disclaimer .disc-usage {
  display: grid;
  gap: 16px;
  margin-bottom: 6px;
}

.page-disclaimer .disc-usage__item {
  position: relative;
  padding: 22px 20px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--disc-card-bg);
}

.page-disclaimer .disc-usage__item::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 0;
  width: 36px;
  height: 2px;
}

.page-disclaimer .disc-usage__item--free::before {
  background: var(--mint-500);
}

.page-disclaimer .disc-usage__item--cite::before {
  background: var(--gold-400);
}

.page-disclaimer .disc-usage__item--auth::before {
  background: var(--coral-500);
}

.page-disclaimer .disc-usage__title {
  margin: 14px 0 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 19px;
  color: var(--text-primary);
}

.page-disclaimer .disc-usage__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-secondary);
}

.page-disclaimer .disc-usage__code {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  opacity: 0.8;
}

/* ---------- 版本图示 ---------- */
.page-disclaimer .version-figure {
  margin: 0 0 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background:
    radial-gradient(90% 120% at 0% 0%, rgba(55, 224, 216, 0.14), transparent 60%),
    radial-gradient(80% 120% at 100% 100%, rgba(242, 196, 107, 0.12), transparent 62%),
    var(--ink-800);
}

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

.page-disclaimer .version-figure__caption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-secondary);
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .disc-version-copy {
  max-width: 66ch;
}

.page-disclaimer .version-legend {
  display: grid;
  gap: 12px;
  margin-bottom: 26px;
}

.page-disclaimer .version-legend__item {
  position: relative;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--disc-card-bg);
  transition: border-color 220ms var(--ease), background 220ms var(--ease);
}

.page-disclaimer .version-legend__item:hover,
.page-disclaimer .version-legend__item:focus-within,
.page-disclaimer .version-legend__item:focus-visible {
  border-color: rgba(55, 224, 216, 0.55);
  background: var(--disc-card-bg-strong);
  outline: none;
}

.page-disclaimer .version-legend__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
}

.page-disclaimer .version-legend__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex: none;
}

.page-disclaimer .version-legend__dot--live {
  background: var(--disc-live);
  box-shadow: 0 0 0 4px rgba(55, 224, 216, 0.16);
}

.page-disclaimer .version-legend__dot--check {
  background: var(--disc-check);
  box-shadow: 0 0 0 4px rgba(242, 196, 107, 0.16);
}

.page-disclaimer .version-legend__dot--update {
  background: var(--disc-update);
  box-shadow: 0 0 0 4px rgba(255, 122, 89, 0.16);
}

.page-disclaimer .version-legend__name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 16px;
  color: var(--text-primary);
}

.page-disclaimer .version-legend__tag {
  margin-left: auto;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
}

.page-disclaimer .version-legend__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.page-disclaimer .version-legend__hint {
  display: block;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--line-soft);
  font-size: 13px;
  line-height: 1.75;
  color: var(--cyan-400);
  max-height: 200px;
  opacity: 1;
  overflow: hidden;
  transition: max-height 240ms var(--ease), opacity 240ms var(--ease), margin-top 240ms var(--ease), padding-top 240ms var(--ease);
}

/* ---------- 帮助入口 ---------- */
.page-disclaimer .disc-help {
  display: grid;
  gap: 14px;
}

.page-disclaimer .disc-help__card {
  display: block;
  padding: 20px 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--disc-card-bg);
  text-decoration: none;
  color: inherit;
  transition: border-color 240ms var(--ease), transform 240ms var(--ease), background 240ms var(--ease);
}

.page-disclaimer .disc-help__card:hover,
.page-disclaimer .disc-help__card:focus-visible {
  border-color: rgba(55, 224, 216, 0.65);
  background: var(--disc-card-bg-strong);
  transform: translateY(-4px);
  outline: none;
}

.page-disclaimer .disc-help__code {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold-400);
}

.page-disclaimer .disc-help__title {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 18px;
  color: var(--text-primary);
}

.page-disclaimer .disc-help__text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.page-disclaimer .disc-help__go {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-400);
}

.page-disclaimer .disc-foot-note {
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-secondary);
}

.page-disclaimer .disc-foot-note a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 224, 216, 0.4);
}

.page-disclaimer .disc-foot-note a:hover,
.page-disclaimer .disc-foot-note a:focus-visible {
  border-bottom-color: var(--cyan-400);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .disc-usage {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-disclaimer .disc-usage__item--auth {
    grid-column: 1 / -1;
  }

  .page-disclaimer .version-legend {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-disclaimer .disc-help {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (hover: hover) and (min-width: 720px) {
  .page-disclaimer .version-legend__hint {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    padding-top: 0;
    border-top-color: transparent;
  }

  .page-disclaimer .version-legend__item:hover .version-legend__hint,
  .page-disclaimer .version-legend__item:focus-within .version-legend__hint {
    max-height: 200px;
    opacity: 1;
    margin-top: 10px;
    padding-top: 10px;
    border-top-color: var(--line-soft);
  }
}

@media (min-width: 900px) {
  .page-disclaimer .disc-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }

  .page-disclaimer .disc-hero__aside {
    margin-bottom: 8px;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .disc-layout {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
    align-items: start;
  }

  .page-disclaimer .disc-index {
    position: sticky;
    top: 104px;
  }

  .page-disclaimer .disc-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-disclaimer .disc-index__link {
    width: 100%;
    border-left: 2px solid transparent;
  }

  .page-disclaimer .disc-usage {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .disc-usage__item--auth {
    grid-column: auto;
  }

  .page-disclaimer .disc-usage__item:nth-child(2) {
    transform: translateY(20px);
  }

  .page-disclaimer .disc-help {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .disc-help__card:nth-child(2) {
    transform: translateY(18px);
  }

  .page-disclaimer .disc-help__card:nth-child(2):hover,
  .page-disclaimer .disc-help__card:nth-child(2):focus-visible {
    transform: translateY(14px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-rule,
  .page-disclaimer .disc-help__card,
  .page-disclaimer .version-legend__item,
  .page-disclaimer .version-legend__hint,
  .page-disclaimer .disc-usage__item {
    transition: none;
  }

  .page-disclaimer .disc-rule:hover,
  .page-disclaimer .disc-help__card:hover,
  .page-disclaimer .disc-help__card:focus-visible {
    transform: none;
  }
}
<<<END>>>