.page-disclaimer {
  --disc-panel: rgba(44, 62, 92, 0.38);
  --disc-panel-strong: rgba(44, 62, 92, 0.58);
  --disc-text: rgba(245, 241, 232, 0.82);
  --disc-text-dim: rgba(245, 241, 232, 0.70);
  background: var(--ink);
  color: var(--paper);
}

.page-disclaimer .disc-crumb__link,
.page-disclaimer .disc-crumb__now {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--mist);
  text-decoration: none;
}

.page-disclaimer .disc-crumb__link:hover,
.page-disclaimer .disc-crumb__link:focus-visible {
  color: var(--amber);
}

.page-disclaimer .disc-crumb__now {
  color: var(--paper);
}

/* 首屏 */
.page-disclaimer .disc-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(255, 138, 61, 0.16), transparent 58%),
    linear-gradient(180deg, var(--abyss) 0%, var(--ink) 100%);
}

.page-disclaimer .disc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(143, 163, 191, 0.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 163, 191, 0.10) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
}

.page-disclaimer .disc-hero::after {
  content: "";
  position: absolute;
  top: -150px;
  right: -70px;
  width: 300px;
  height: 300px;
  background: var(--amber);
  opacity: 0.10;
  transform: rotate(24deg);
  pointer-events: none;
}

.page-disclaimer .disc-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
  padding-top: 30px;
  padding-bottom: 40px;
}

.page-disclaimer .disc-hero__title {
  margin: 12px 0 0;
  max-width: 15ch;
  font-size: clamp(2.05rem, 6.4vw, 3.9rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-disclaimer .disc-hero__lede {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--disc-text);
}

.page-disclaimer .disc-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-hero__facts li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--disc-text-dim);
}

.page-disclaimer .disc-hero__facts .mono {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border: 1px solid var(--jade);
  color: var(--jade-soft);
  font-size: 10px;
}

/* 版本刻度 */
.page-disclaimer .disc-scale {
  border: 1px solid var(--line-strong);
  background: rgba(14, 24, 48, 0.62);
  padding: 16px;
}

.page-disclaimer .disc-scale__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-disclaimer .disc-scale__track {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-disclaimer .disc-scale__btn {
  appearance: none;
  border: 1px solid var(--line);
  padding: 7px 9px;
  background: transparent;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  line-height: 1.3;
  border-radius: 0;
  cursor: pointer;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-disclaimer .disc-scale__btn:hover,
.page-disclaimer .disc-scale__btn:focus-visible {
  color: var(--paper);
  border-color: var(--line-strong);
}

.page-disclaimer .disc-scale__btn[aria-pressed="true"] {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--abyss);
}

.page-disclaimer .disc-scale__hint {
  margin: 14px 0 0;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* 版本说明条目 */
.page-disclaimer .disc-notes {
  padding: 40px 0 40px;
  border-bottom: 1px solid var(--line);
  background: rgba(14, 24, 48, 0.28);
}

.page-disclaimer .disc-notes__list {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-note {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 13px 16px;
  background: var(--disc-panel);
  border-left: 2px solid var(--amber);
}

.page-disclaimer .disc-note[hidden],
.page-disclaimer .disc-note.is-hidden {
  display: none;
}

.page-disclaimer .disc-note__stage {
  flex: none;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--amber-soft);
  white-space: nowrap;
}

.page-disclaimer .disc-note__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--disc-text);
}

/* 主体两栏 */
.page-disclaimer .disc-body {
  padding: 44px 0 72px;
}

.page-disclaimer .disc-layout {
  display: grid;
  gap: 28px;
}

.page-disclaimer .disc-toc {
  border-top: 1px solid var(--line-strong);
  padding-top: 14px;
}

.page-disclaimer .disc-toc__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-disclaimer .disc-toc__list {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  gap: 0 18px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
}

.page-disclaimer .disc-toc__link {
  display: flex;
  gap: 9px;
  align-items: baseline;
  padding: 8px 0;
  font-size: 14px;
  color: var(--disc-text-dim);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.16s var(--ease);
}

.page-disclaimer .disc-toc__link:hover,
.page-disclaimer .disc-toc__link:focus-visible {
  color: var(--amber);
}

.page-disclaimer .disc-toc__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mist);
}

/* 规则卡 */
.page-disclaimer .disc-rule {
  border-top: 1px solid var(--line-strong);
  padding-top: 24px;
  margin-bottom: 44px;
  scroll-margin-top: calc(var(--header-h) + 24px);
}

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

.page-disclaimer .disc-rule__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-disclaimer .disc-rule__num {
  flex: none;
  padding: 2px 6px;
  border: 1px solid var(--amber);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.3;
  color: var(--amber);
}

.page-disclaimer .disc-rule__title {
  flex: 1 1 100%;
  margin: 0;
  font-size: clamp(1.18rem, 2.6vw, 1.55rem);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-disclaimer .disc-rule__lead {
  margin: 14px 0 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--disc-text);
}

.page-disclaimer .disc-points {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-points li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--disc-text-dim);
}

.page-disclaimer .disc-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 7px;
  height: 7px;
  background: var(--jade);
}

/* 步骤 */
.page-disclaimer .disc-steps {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-disclaimer .disc-step:first-child {
  border-top-color: var(--line-strong);
}

.page-disclaimer .disc-step__idx {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--jade-soft);
}

.page-disclaimer .disc-step__title {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-disclaimer .disc-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--disc-text-dim);
}

/* 图 */
.page-disclaimer .disc-figure {
  margin: 24px 0 0;
  padding: 12px;
  border: 1px solid var(--line-strong);
  background: rgba(14, 24, 48, 0.55);
}

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

.page-disclaimer .disc-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--mist);
}

/* 摘要卡 */
.page-disclaimer .disc-callout {
  margin: 18px 0 0;
  padding: 18px 20px;
  background: var(--paper);
  border-left: 3px solid var(--amber);
  color: var(--abyss);
}

.page-disclaimer .disc-callout p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
}

/* 材料清单 */
.page-disclaimer .disc-checklist {
  display: grid;
  gap: 2px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-check {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 11px 14px;
  background: var(--disc-panel-strong);
  border: 1px solid transparent;
  font-size: 14px;
  line-height: 1.68;
  color: var(--disc-text);
  cursor: pointer;
  transition: border-color 0.16s var(--ease), background-color 0.16s var(--ease);
}

.page-disclaimer .disc-check:hover {
  border-color: var(--line-strong);
}

.page-disclaimer .disc-check:focus-within {
  border-color: var(--amber);
}

.page-disclaimer .disc-check__box {
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 3px;
  accent-color: var(--amber);
  cursor: pointer;
}

/* 时间线 */
.page-disclaimer .disc-timeline {
  display: grid;
  gap: 16px;
  margin: 20px 0 0;
  padding: 0 0 0 18px;
  list-style: none;
  border-left: 1px solid var(--line-strong);
}

.page-disclaimer .disc-timeline__item {
  position: relative;
}

.page-disclaimer .disc-timeline__item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 0.55em;
  width: 8px;
  height: 8px;
  background: var(--steel);
  border: 1px solid var(--line-strong);
}

.page-disclaimer .disc-timeline__item.is-now::before {
  background: var(--amber);
  border-color: var(--amber);
}

.page-disclaimer .disc-timeline__year {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.page-disclaimer .disc-timeline__item.is-now .disc-timeline__year {
  color: var(--amber);
}

.page-disclaimer .disc-timeline__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--disc-text-dim);
}

/* 链接行 */
.page-disclaimer .disc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-disclaimer .disc-links .btn {
  font-size: 14px;
}

/* 中等屏幕 */
@media (min-width: 720px) {
  .page-disclaimer .disc-rule__title {
    flex: 1 1 auto;
  }

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

  .page-disclaimer .disc-hero__grid {
    padding-top: 44px;
    padding-bottom: 52px;
  }
}

/* 桌面：左窄右宽 */
@media (min-width: 1000px) {
  .page-disclaimer .disc-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
    gap: 56px;
    align-items: end;
    padding-top: 56px;
    padding-bottom: 64px;
  }

  .page-disclaimer .disc-layout {
    grid-template-columns: 212px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-disclaimer .disc-toc {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    border-top-color: var(--line-strong);
  }

  .page-disclaimer .disc-toc__list {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    gap: 0;
    overflow-x: visible;
  }

  .page-disclaimer .disc-toc__link {
    border-bottom: 1px solid var(--line);
    white-space: normal;
  }

  .page-disclaimer .disc-body {
    padding: 56px 0 88px;
  }

  .page-disclaimer .disc-rule {
    margin-bottom: 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-scale__btn,
  .page-disclaimer .disc-toc__link,
  .page-disclaimer .disc-check {
    transition: none;
  }
}