.page-disclaimer {
  --disc-index-w: 216px;
  --disc-sticky-top: calc(var(--space-8) + var(--space-4));
  background: var(--color-surface);
  color: var(--color-ink);
}

.page-disclaimer img {
  max-width: 100%;
}

.page-disclaimer a:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- 首屏 ---------- */

.page-disclaimer .disc-hero {
  position: relative;
  overflow: hidden;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding: calc(var(--space-8) + var(--space-6)) 0 var(--space-6);
}

.page-disclaimer .disc-hero__media {
  position: absolute;
  inset: 0;
}

.page-disclaimer .disc-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
}

.page-disclaimer .disc-hero__scrim {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
}

.page-disclaimer .disc-hero__inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .disc-hero .breadcrumb,
.page-disclaimer .disc-hero .breadcrumb-item,
.page-disclaimer .disc-hero .breadcrumb-current {
  color: color-mix(in srgb, var(--color-contrast-ink) 60%, transparent);
  font-size: var(--text-sm);
}

.page-disclaimer .disc-hero .breadcrumb a {
  color: inherit;
  text-decoration: none;
}

.page-disclaimer .disc-hero .breadcrumb a:hover {
  color: var(--color-contrast-accent);
}

.page-disclaimer .disc-hero__kicker {
  margin: var(--space-4) 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-contrast-accent);
}

.page-disclaimer .disc-hero__title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-disclaimer .disc-hero__lead {
  margin: 0 0 var(--space-4);
  max-width: 64ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 84%, transparent);
}

.page-disclaimer .disc-hero__tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-2);
}

.page-disclaimer .disc-hero__tags li {
  padding: 5px 14px;
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent);
}

/* ---------- 正文骨架 ---------- */

.page-disclaimer .disc-body {
  padding: var(--section-y) 0;
  background: var(--color-surface);
}

.page-disclaimer .disc-layout {
  display: grid;
  gap: var(--space-6);
}

/* ---------- 侧边章节索引 ---------- */

.page-disclaimer .disc-index {
  min-width: 0;
}

.page-disclaimer .disc-index__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
}

.page-disclaimer .disc-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 var(--space-1);
  display: flex;
  gap: var(--space-1);
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-disclaimer .disc-index__list li {
  flex: 0 0 auto;
}

.page-disclaimer .disc-index__list a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 7px 12px;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-surface-alt);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-disclaimer .disc-index__list a:hover,
.page-disclaimer .disc-index__list a:focus-visible {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.page-disclaimer .disc-index__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-disclaimer .disc-index__list a:hover .disc-index__num,
.page-disclaimer .disc-index__list a:focus-visible .disc-index__num {
  color: var(--color-accent);
}

/* ---------- 章节列表 ---------- */

.page-disclaimer .disc-articles {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  min-width: 0;
}

.page-disclaimer .disc-article {
  padding: var(--space-4);
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  scroll-margin-top: var(--disc-sticky-top);
  transition: box-shadow 0.2s ease;
}

.page-disclaimer .disc-article:hover {
  box-shadow: var(--shadow-2);
}

.page-disclaimer .disc-article__head {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-disclaimer .disc-article__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-primary);
  transition: color 0.3s ease;
}

.page-disclaimer [data-chapter][data-inview="true"] .disc-article__num {
  color: var(--color-accent);
}

.page-disclaimer .disc-article__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-disclaimer .disc-article__desc {
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 场景条 ---------- */

.page-disclaimer .disc-scene {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2);
  margin: 0 0 var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  background: var(--color-primary-soft);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  transition: background-color 0.2s ease;
}

.page-disclaimer .disc-article:hover .disc-scene {
  background: var(--color-highlight);
}

.page-disclaimer .disc-scene__tag {
  flex: 0 0 auto;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
}

/* ---------- 注意事项 ---------- */

.page-disclaimer .disc-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-disclaimer .disc-points li {
  position: relative;
  padding-left: var(--space-4);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-disclaimer .disc-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 14px;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  transition: background-color 0.2s ease;
}

.page-disclaimer .disc-article:hover .disc-points li::before {
  background: var(--color-accent);
}

.page-disclaimer .disc-points li strong {
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-disclaimer .disc-points a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .disc-points a:hover {
  color: var(--color-accent);
}

/* ---------- 深色战术板章节 ---------- */

.page-disclaimer .disc-article--board {
  background: var(--color-contrast-surface);
  border-color: var(--color-contrast-line);
  color: var(--color-contrast-ink);
}

.page-disclaimer .disc-article--board .disc-article__head {
  border-bottom-color: var(--color-contrast-line);
}

.page-disclaimer .disc-article--board .disc-article__num,
.page-disclaimer .disc-article--board[data-inview="true"] .disc-article__num {
  color: var(--color-contrast-accent);
}

.page-disclaimer .disc-article--board .disc-article__title {
  color: var(--color-contrast-ink);
}

.page-disclaimer .disc-article--board .disc-scene {
  background: color-mix(in srgb, var(--color-contrast-ink) 8%, transparent);
  color: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent);
}

.page-disclaimer .disc-article--board .disc-scene__tag {
  background: var(--color-contrast-accent);
  color: var(--color-contrast-surface);
}

.page-disclaimer .disc-article--board .disc-points li {
  color: color-mix(in srgb, var(--color-contrast-ink) 86%, transparent);
}

.page-disclaimer .disc-article--board .disc-points li strong {
  color: var(--color-contrast-ink);
}

.page-disclaimer .disc-article--board .disc-points li::before {
  background: var(--color-contrast-accent);
}

.page-disclaimer .disc-article--board a {
  color: var(--color-contrast-accent);
}

.page-disclaimer .disc-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  margin: 0 0 var(--space-3);
}

.page-disclaimer .disc-board__item {
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--color-contrast-ink) 6%, transparent);
}

.page-disclaimer .disc-board__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: 1.1;
  color: var(--color-contrast-accent);
}

.page-disclaimer .disc-board__label {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: color-mix(in srgb, var(--color-contrast-ink) 70%, transparent);
}

/* ---------- 收尾出口 ---------- */

.page-disclaimer .disc-exit {
  margin-top: var(--space-2);
  padding: var(--space-6) var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  display: grid;
  justify-items: start;
  gap: var(--space-2);
}

.page-disclaimer .disc-exit__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  color: var(--color-accent-ink);
}

.page-disclaimer .disc-exit__text {
  margin: 0;
  max-width: 58ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-accent-ink) 88%, transparent);
}

.page-disclaimer .disc-exit__text a {
  color: var(--color-accent-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .disc-exit .btn {
  margin-top: var(--space-1);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-disclaimer .disc-hero {
    padding-bottom: var(--space-8);
  }

  .page-disclaimer .disc-hero__title {
    font-size: var(--text-3xl);
  }

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

  .page-disclaimer .disc-article {
    padding: var(--space-6);
  }

  .page-disclaimer .disc-articles {
    gap: var(--space-6);
  }

  .page-disclaimer .disc-exit {
    padding: var(--space-6);
  }
}

@media (min-width: 960px) {
  .page-disclaimer .disc-body {
    padding: var(--section-y-lg) 0;
  }

  .page-disclaimer .disc-layout {
    grid-template-columns: var(--disc-index-w) minmax(0, 1fr);
    gap: var(--space-8);
  }

  .page-disclaimer .disc-index {
    position: sticky;
    top: var(--disc-sticky-top);
    align-self: start;
  }

  .page-disclaimer .disc-index__list {
    display: grid;
    gap: var(--space-1);
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .disc-index__list li {
    flex: none;
  }

  .page-disclaimer .disc-index__list a {
    display: flex;
    width: 100%;
    white-space: normal;
    padding: 7px 10px;
    background: transparent;
    border-color: transparent;
    border-radius: var(--radius-sm);
    line-height: 1.45;
  }

  .page-disclaimer .disc-index__list a:hover,
  .page-disclaimer .disc-index__list a:focus-visible {
    background: var(--color-primary-soft);
    border-color: var(--color-primary-soft);
    color: var(--color-primary);
  }
}

@media (min-width: 1200px) {
  .page-disclaimer .disc-article__title {
    font-size: var(--text-xl);
  }

  .page-disclaimer .disc-points li {
    padding-left: var(--space-6);
  }
}