.page-disclaimer {
  --doc-line: rgba(110, 140, 160, .45);
  --doc-line-dark: rgba(243, 237, 226, .22);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-disclaimer .breadcrumbs {
  padding-top: clamp(16px, 3vw, 28px);
  font-size: 13px;
  letter-spacing: .04em;
}
.page-disclaimer .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-disclaimer .breadcrumbs li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--steel);
}
.page-disclaimer .breadcrumbs a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .12s var(--ease);
}
.page-disclaimer .breadcrumbs a:hover {
  border-bottom-color: var(--orange);
}
.page-disclaimer .breadcrumbs [aria-current] {
  color: var(--steel);
}

/* 首屏 */
.page-disclaimer .doc-hero {
  padding-top: clamp(20px, 4vw, 44px);
}
.page-disclaimer .doc-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: end;
}
.page-disclaimer .doc-hero__text .kicker {
  margin: 0;
}
.page-disclaimer .doc-hero__text .display-1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1;
  font-size: clamp(32px, 8vw, 62px);
  color: var(--ink);
}
.page-disclaimer .doc-hero__lead {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.85;
  color: #3a423f;
}
.page-disclaimer .doc-hero__media {
  margin: 0;
  background: var(--char);
  border: 1px solid var(--doc-line);
}
.page-disclaimer .doc-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-disclaimer .doc-hero__bar {
  margin-top: clamp(24px, 4vw, 44px);
  background: var(--paper-2);
  border-top: 1px solid var(--doc-line);
  border-bottom: 1px solid var(--doc-line);
}
.page-disclaimer .doc-hero__barin {
  display: grid;
  gap: 8px;
  padding-top: 13px;
  padding-bottom: 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: #4a514d;
}
.page-disclaimer .doc-hero__item b {
  color: var(--ink);
  font-weight: 700;
  margin-right: 8px;
}

/* 章节索引 */
.page-disclaimer .doc-toc {
  display: grid;
  margin-top: clamp(28px, 5vw, 60px);
  border-top: 1px solid var(--doc-line);
}
.page-disclaimer .doc-toc a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--doc-line);
  color: var(--slate);
  font-size: 14px;
  text-decoration: none;
  transition: color .12s var(--ease), background-color .12s var(--ease), padding-left .12s var(--ease);
}
.page-disclaimer .doc-toc a:hover,
.page-disclaimer .doc-toc a:focus-visible {
  color: var(--deep);
  background: rgba(198, 255, 61, .18);
  padding-left: 8px;
}
.page-disclaimer .doc-toc__n {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--steel);
}
.page-disclaimer .doc-toc__t {
  line-height: 1.5;
}

/* 章节 */
.page-disclaimer .doc-chapter {
  border-top: 1px solid var(--doc-line);
  padding: clamp(26px, 4.5vw, 54px) 0;
}
.page-disclaimer .doc-toc + .doc-chapter {
  border-top: 0;
}
.page-disclaimer .doc-chapter__grid {
  display: grid;
  gap: 10px;
}
.page-disclaimer .doc-chapter__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--steel);
  padding-top: 6px;
}
.page-disclaimer .doc-chapter__body h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 4vw, 30px);
  line-height: 1.2;
  letter-spacing: -.005em;
  color: var(--ink);
}
.page-disclaimer .doc-chapter__body p {
  margin: 0 0 14px;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: #2c322f;
}
.page-disclaimer .doc-chapter__body p:last-child {
  margin-bottom: 0;
}
.page-disclaimer .doc-chapter__body a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
  transition: color .12s var(--ease);
}
.page-disclaimer .doc-chapter__body a:hover {
  color: var(--deep);
  border-bottom-width: 2px;
}

/* 深色章节 */
.page-disclaimer .doc-chapter--dark {
  background: var(--deep);
  border-top: 1px solid var(--deep);
  border-bottom: 1px solid var(--deep);
  padding: clamp(32px, 5.5vw, 66px) 0;
}
.page-disclaimer .doc-chapter--dark .doc-chapter__num {
  color: var(--lime);
}
.page-disclaimer .doc-chapter--dark .doc-chapter__body h2 {
  color: var(--paper);
}
.page-disclaimer .doc-chapter--dark .doc-chapter__body p {
  color: rgba(243, 237, 226, .84);
}
.page-disclaimer .doc-chapter--dark .doc-chapter__body a {
  color: var(--lime);
  border-bottom-color: var(--lime);
}
.page-disclaimer .doc-chapter--dark .doc-chapter__body a:hover {
  color: #e9ffb5;
}

/* 版本条目 */
.page-disclaimer .doc-versions {
  margin: 22px 0 20px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--doc-line-dark);
}
.page-disclaimer .doc-version {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid var(--doc-line-dark);
}
.page-disclaimer .doc-version__ver {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .05em;
  color: var(--lime);
}
.page-disclaimer .doc-version__what {
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(243, 237, 226, .92);
}
.page-disclaimer .doc-version__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(243, 237, 226, .58);
}
.page-disclaimer .doc-ts {
  position: relative;
  color: var(--lime);
  border-bottom: 1px dashed rgba(198, 255, 61, .6);
  cursor: help;
  outline-offset: 4px;
}
.page-disclaimer .doc-ts__scope {
  position: absolute;
  left: 0;
  top: calc(100% + 8px);
  z-index: 20;
  width: max-content;
  max-width: min(260px, 74vw);
  padding: 9px 11px;
  background: var(--char);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 12.5px;
  line-height: 1.65;
  border: 1px solid rgba(198, 255, 61, .35);
  opacity: 0;
  visibility: hidden;
  transition: opacity .15s var(--ease), visibility .15s var(--ease);
}
.page-disclaimer .doc-ts:hover .doc-ts__scope,
.page-disclaimer .doc-ts:focus .doc-ts__scope,
.page-disclaimer .doc-ts:focus-visible .doc-ts__scope {
  opacity: 1;
  visibility: visible;
}

/* 收尾指引 */
.page-disclaimer .doc-next {
  border-top: 1px solid var(--doc-line);
  padding: clamp(28px, 4.5vw, 52px) 0 clamp(40px, 6vw, 72px);
}
.page-disclaimer .doc-next__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 3.6vw, 26px);
  color: var(--ink);
}
.page-disclaimer .doc-next__list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--doc-line);
}
.page-disclaimer .doc-next__list li {
  border-bottom: 1px solid var(--doc-line);
}
.page-disclaimer .doc-next__list a {
  display: block;
  padding: 14px 0;
  color: var(--slate);
  font-size: 15px;
  text-decoration: none;
  transition: color .12s var(--ease), padding-left .12s var(--ease);
}
.page-disclaimer .doc-next__list a:hover {
  color: var(--deep);
  padding-left: 8px;
}
.page-disclaimer .doc-next__list span {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--steel);
}

/* 固定返回 */
.page-disclaimer .doc-back {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  background: var(--paper);
  color: var(--char);
  border: 1px solid var(--orange);
  font-size: 13px;
  letter-spacing: .02em;
  text-decoration: none;
  transition: background-color .12s var(--ease), color .12s var(--ease);
}
.page-disclaimer .doc-back:hover {
  background: var(--orange);
  color: #15100c;
}

@media (min-width: 760px) {
  .page-disclaimer .doc-hero__barin {
    grid-template-columns: repeat(3, auto);
    justify-content: space-between;
    align-items: baseline;
  }
  .page-disclaimer .doc-toc {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 28px;
  }
  .page-disclaimer .doc-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .doc-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
  .page-disclaimer .doc-chapter__grid {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 0 40px;
  }
  .page-disclaimer .doc-version {
    grid-template-columns: 76px minmax(0, 1fr) 200px;
    align-items: baseline;
    column-gap: 22px;
  }
  .page-disclaimer .doc-version__meta {
    justify-content: flex-end;
    text-align: right;
  }
  .page-disclaimer .doc-back {
    right: 24px;
    bottom: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-toc a,
  .page-disclaimer .doc-ts__scope,
  .page-disclaimer .doc-next__list a,
  .page-disclaimer .doc-back {
    transition: none;
  }
}