.page-disclaimer {
  --doc-rail: 288px;
  --doc-track: rgba(42, 58, 52, 0.62);
}

/* 阅读进度线 */
.page-disclaimer .doc-progress {
  position: fixed;
  inset: auto 0 0 0;
  height: 3px;
  z-index: 40;
  background: var(--doc-track);
  pointer-events: none;
}

.page-disclaimer .doc-progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--c-lime);
  transform: scaleX(0);
  transform-origin: 0 50%;
}

@supports (animation-timeline: scroll()) {
  .page-disclaimer .doc-progress__bar {
    animation: disclaimer-progress linear both;
    animation-timeline: scroll(root block);
  }
}

@keyframes disclaimer-progress {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-progress { display: none; }
}

/* 页首 */
.page-disclaimer .breadcrumb {
  padding-top: 28px;
}

.page-disclaimer .doc-head {
  padding: 22px 0 34px;
  border-bottom: 1px solid var(--c-grid);
}

.page-disclaimer .doc-head .h1 {
  margin: 10px 0 16px;
  max-width: 16em;
}

.page-disclaimer .doc-head .lede {
  max-width: 62ch;
  margin: 0;
}

/* 顶部氛围图 */
.page-disclaimer .doc-figure {
  margin: 0 0 8px;
  border-bottom: 1px solid var(--c-grid);
}

.page-disclaimer .doc-figure__frame {
  position: relative;
  aspect-ratio: 2 / 1;
  overflow: hidden;
  background: var(--c-char);
  border: 1px solid var(--c-grid);
  border-top: none;
}

.page-disclaimer .doc-figure__frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: contrast(1.06) saturate(0.92);
}

.page-disclaimer .doc-figure__cap {
  padding: 10px 0 16px;
  font-family: var(--font-mono);
  font-size: var(--fs-7);
  color: var(--c-muted);
  letter-spacing: 0.04em;
}

/* 主骨架 */
.page-disclaimer .doc-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  padding-top: 40px;
  padding-bottom: 88px;
}

@media (min-width: 1000px) {
  .page-disclaimer .doc-shell {
    grid-template-columns: var(--doc-rail) minmax(0, 1fr);
    gap: 76px;
    padding-top: 56px;
  }
}

/* 左栏 */
.page-disclaimer .doc-aside {
  display: flex;
  flex-direction: column;
  gap: 26px;
  min-width: 0;
}

@media (min-width: 1000px) {
  .page-disclaimer .doc-aside {
    position: sticky;
    top: 104px;
    align-self: start;
  }
}

.page-disclaimer .version-card {
  border: 1px solid var(--c-grid);
  background: var(--c-board);
  padding: 18px 18px 16px;
}

.page-disclaimer .version-card__label {
  margin: 0 0 8px;
  font-size: var(--fs-7);
  letter-spacing: 0.18em;
  color: var(--c-muted);
}

.page-disclaimer .version-card__no {
  margin: 0 0 16px;
  font-size: var(--fs-2);
  line-height: 1;
  color: var(--c-lime);
  letter-spacing: -0.02em;
}

.page-disclaimer .version-card__list {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .version-card__list > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--c-grid);
}

.page-disclaimer .version-card__list dt {
  font-size: var(--fs-7);
  color: var(--c-muted);
}

.page-disclaimer .version-card__list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-7);
  line-height: 1.6;
  color: var(--c-mist);
  text-align: right;
}

.page-disclaimer .clause-nav__label {
  margin: 0 0 10px;
  font-size: var(--fs-7);
  letter-spacing: 0.18em;
  color: var(--c-muted);
}

.page-disclaimer .clause-nav ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-disclaimer .clause-nav a {
  display: block;
  padding: 9px 12px;
  border-left: 2px solid transparent;
  font-size: var(--fs-7);
  color: var(--c-muted);
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .clause-nav a:hover,
.page-disclaimer .clause-nav a:focus-visible {
  background: var(--c-board);
  border-left-color: var(--c-lime);
  color: var(--c-mist);
}

/* 正文长栏 */
.page-disclaimer .doc-body {
  min-width: 0;
}

.page-disclaimer .clause {
  position: relative;
  padding: 30px 0 36px;
  border-top: 1px solid var(--c-grid);
  scroll-margin-top: 104px;
}

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

.page-disclaimer .clause::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 0;
  width: 2px;
  height: 0;
  background: var(--c-lime);
  transition: height var(--dur) var(--ease);
}

.page-disclaimer .clause:target::before {
  height: 100%;
}

.page-disclaimer .clause:target {
  background: linear-gradient(90deg, rgba(184, 255, 60, 0.06), transparent 62%);
}

.page-disclaimer .clause__title {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  align-items: baseline;
  gap: 6px;
  margin: 0 0 18px;
  padding-left: 10px;
}

.page-disclaimer .clause__num {
  font-size: var(--fs-7);
  letter-spacing: 0.1em;
  color: var(--c-lime);
}

.page-disclaimer .clause p {
  max-width: 70ch;
  margin: 0 0 16px;
  padding-left: 10px;
  font-size: var(--fs-6);
  line-height: 1.85;
  color: var(--c-mist);
}

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

.page-disclaimer .clause-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0 0 0 10px;
  display: grid;
  gap: 11px;
}

.page-disclaimer .clause-list li {
  position: relative;
  max-width: 70ch;
  padding-left: 24px;
  font-size: var(--fs-6);
  line-height: 1.85;
  color: var(--c-mist);
}

.page-disclaimer .clause-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 11px;
  height: 1px;
  background: var(--c-lime);
}

.page-disclaimer .clause-list strong {
  color: var(--c-lime);
  font-weight: 600;
}

/* 更新节奏条 */
.page-disclaimer .cadence {
  list-style: none;
  margin: 0 0 20px;
  padding: 0 0 0 10px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--c-grid);
  border-left: 1px solid var(--c-grid);
}

.page-disclaimer .cadence li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border-right: 1px solid var(--c-grid);
  border-bottom: 1px solid var(--c-grid);
  background: var(--c-board);
}

.page-disclaimer .cadence__t {
  font-size: var(--fs-4);
  line-height: 1.2;
  color: var(--c-lime);
  letter-spacing: -0.01em;
}

.page-disclaimer .cadence__d {
  font-size: var(--fs-7);
  line-height: 1.7;
  color: var(--c-muted);
}

@media (min-width: 620px) {
  .page-disclaimer .cadence {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-disclaimer .cadence {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* 相关页面 */
.page-disclaimer .doc-related {
  margin-top: 12px;
  padding: 26px 0 0 10px;
  border-top: 1px solid var(--c-grid);
}

.page-disclaimer .doc-related__label {
  margin: 0 0 12px;
  font-size: var(--fs-7);
  letter-spacing: 0.18em;
  color: var(--c-muted);
}

.page-disclaimer .doc-related ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .doc-related li {
  border-left: 1px solid var(--c-grid);
  padding-left: 14px;
}

.page-disclaimer .doc-related a {
  font-size: var(--fs-6);
  line-height: 1.8;
  color: var(--c-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .doc-related a:hover,
.page-disclaimer .doc-related a:focus-visible {
  color: var(--c-lime);
  border-bottom-color: var(--c-lime);
}

@media (min-width: 700px) {
  .page-disclaimer .doc-related ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 28px;
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .doc-head {
    padding-top: 30px;
  }
}

@media (max-width: 560px) {
  .page-disclaimer .doc-head .h1 {
    max-width: none;
  }

  .page-disclaimer .clause__title {
    grid-template-columns: 40px minmax(0, 1fr);
    padding-left: 0;
  }

  .page-disclaimer .clause p,
  .page-disclaimer .clause-list,
  .page-disclaimer .cadence,
  .page-disclaimer .doc-related {
    padding-left: 0;
  }

  .page-disclaimer .doc-figure__frame {
    aspect-ratio: 3 / 2;
  }
}