.page-disclaimer {
  --doc-max: 1080px;
  --doc-shadow: 0 20px 44px rgba(2, 8, 18, 0.45), 0 4px 12px rgba(2, 8, 18, 0.3);
  --doc-accent-alpha: rgba(57, 255, 20, 0.12);

  position: relative;
  padding: calc(var(--header-h) + 40px) 0 100px;
  background:
    radial-gradient(ellipse 900px 520px at 8% -10%, rgba(57, 255, 20, 0.1), transparent 62%),
    radial-gradient(ellipse 720px 480px at 92% 18%, rgba(6, 16, 33, 0.88), transparent 70%),
    linear-gradient(180deg, var(--c-bg) 0%, var(--c-ink) 100%);
  color: var(--c-text);
  font-family: var(--font-body);
  line-height: 1.85;
  overflow-x: hidden;
}

.page-disclaimer::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--c-accent) 0%, var(--c-warn) 55%, transparent 100%);
  z-index: 1;
}

.page-disclaimer .container {
  max-width: var(--doc-max);
}

.page-disclaimer .disclaimer-shell {
  position: relative;
  z-index: 2;
}

/* 面包屑 */
.page-disclaimer .breadcrumb {
  margin-bottom: 48px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-disclaimer .breadcrumb a {
  color: var(--c-silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-bottom-color 0.2s ease;
}

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

.page-disclaimer .breadcrumb__sep {
  color: var(--c-grid);
}

.page-disclaimer .breadcrumb__current {
  color: var(--c-accent);
}

/* 文档头部 */
.page-disclaimer .doc-head {
  margin-bottom: 44px;
}

.page-disclaimer .doc-head__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-disclaimer .doc-head__meta {
  display: none;
}

.page-disclaimer .doc-head h1 {
  font-family: var(--font-head);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 14px 0 18px;
  max-width: 11em;
}

.page-disclaimer .doc-head__lead {
  color: var(--c-silver);
  font-size: 15px;
  line-height: 1.9;
  max-width: 46em;
  margin: 0;
}

/* 目录 */
.page-disclaimer .doc-toc {
  margin-bottom: 48px;
}

.page-disclaimer .doc-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-disclaimer .doc-toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid var(--c-grid);
  background: rgba(16, 42, 74, 0.5);
  color: var(--c-text);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-disclaimer .doc-toc__link:hover,
.page-disclaimer .doc-toc__link:focus-visible {
  border-color: var(--c-accent);
  color: var(--c-accent);
  background: var(--doc-accent-alpha);
}

.page-disclaimer .doc-toc__num {
  color: var(--c-accent);
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* 正文两栏布局 */
.page-disclaimer .doc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-disclaimer .doc-layout__content {
  min-width: 0;
}

/* 左侧阅读进度条 */
.page-disclaimer .doc-layout__rail {
  display: none;
}

/* 故障艺术分隔线 */
.page-disclaimer .doc-divider {
  position: relative;
  height: 48px;
  margin: 0 0 36px;
}

.page-disclaimer .doc-divider::before,
.page-disclaimer .doc-divider::after {
  content: "";
  position: absolute;
  height: 2px;
  left: 0;
}

.page-disclaimer .doc-divider::before {
  top: 20px;
  right: 8%;
  background: linear-gradient(90deg,
    var(--c-accent) 0%, var(--c-accent) 18%,
    var(--c-warn) 18%, var(--c-warn) 19%,
    var(--c-accent) 19%, var(--c-accent) 42%,
    var(--c-silver) 42%, var(--c-silver) 43%,
    var(--c-accent) 43%, var(--c-accent) 100%);
  box-shadow: 4px 3px 0 rgba(255, 111, 0, 0.6), -3px -2px 0 rgba(240, 244, 248, 0.45);
  transform: skewX(-16deg);
}

.page-disclaimer .doc-divider::after {
  top: 22px;
  left: 6%;
  right: 0;
  background: var(--c-silver);
  opacity: 0.45;
  transform: skewX(-16deg) scaleY(0.6);
}

/* 文档卡片 */
.page-disclaimer .doc-card {
  position: relative;
  background: linear-gradient(180deg, var(--c-card) 0%, #0d2442 100%);
  border: 1px solid rgba(30, 58, 95, 0.8);
  border-left: 4px solid var(--c-accent);
  box-shadow: var(--doc-shadow);
  padding: 28px 24px 32px;
  margin-bottom: 32px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-disclaimer .doc-card:hover {
  border-left-color: var(--c-warn);
}

.page-disclaimer .doc-card:target {
  border-left-color: var(--c-warn);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--c-accent);
}

.page-disclaimer .doc-card__head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--c-grid);
}

.page-disclaimer .doc-card__index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  background: var(--c-ink);
  color: var(--c-accent);
  font-family: var(--font-head);
  font-style: italic;
  font-weight: 900;
  font-size: 15px;
  border: 1px solid var(--c-accent);
  transform: skewX(-8deg);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .doc-card h2 {
  font-family: var(--font-head);
  font-style: italic;
  font-weight: 900;
  font-size: 24px;
  line-height: 1.2;
  margin: 0;
  letter-spacing: 0.01em;
}

.page-disclaimer .doc-card__body {
  color: rgba(240, 244, 248, 0.92);
  font-size: 15px;
}

.page-disclaimer .doc-card__body p {
  margin: 0 0 18px;
}

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

.page-disclaimer .doc-card__body a {
  color: var(--c-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-bottom-color 0.2s ease;
}

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

/* 注释块 */
.page-disclaimer .doc-note-callout {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-top: 22px;
  padding: 16px 18px;
  background: rgba(6, 16, 33, 0.55);
  border: 1px solid var(--c-grid);
  border-left: 2px solid var(--c-warn);
}

.page-disclaimer .doc-note-callout__tag {
  flex-shrink: 0;
  font-family: var(--font-head);
  font-style: italic;
  font-size: 13px;
  color: var(--c-warn);
  letter-spacing: 0.08em;
  padding-top: 2px;
}

.page-disclaimer .doc-note-callout p {
  margin: 0;
  font-size: 14px;
  color: var(--c-silver);
}

/* 更新规则 */
.page-disclaimer .update-grid {
  display: grid;
  gap: 28px;
}

.page-disclaimer .update-grid__main {
  min-width: 0;
}

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

.page-disclaimer .update-list__item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.page-disclaimer .update-list__dot {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  margin-top: 9px;
  background: var(--c-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(57, 255, 20, 0.14);
}

.page-disclaimer .update-list__item strong {
  display: block;
  color: var(--c-text);
  font-size: 15px;
  letter-spacing: 0.02em;
  margin-bottom: 2px;
}

.page-disclaimer .update-list__item p {
  margin: 0;
  color: var(--c-silver);
  font-size: 14px;
  line-height: 1.75;
}

/* 更新规则配图 */
.page-disclaimer .update-media {
  margin: 0;
  border: 1px solid var(--c-grid);
  background: var(--c-ink);
  box-shadow: 0 12px 28px rgba(2, 8, 18, 0.35);
}

.page-disclaimer .update-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-disclaimer .update-media__label {
  display: block;
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-silver);
  background: rgba(6, 16, 33, 0.9);
  border-top: 1px solid var(--c-grid);
}

/* 文档元信息 */
.page-disclaimer .doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
}

.page-disclaimer .doc-meta__item {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-silver);
  border: 1px solid var(--c-grid);
  padding: 8px 12px;
  background: rgba(6, 16, 33, 0.5);
}

/* 返回顶部 */
.page-disclaimer .back-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  width: fit-content;
  background: transparent;
  border: 1px solid var(--c-grid);
  color: var(--c-text);
  font-size: 13px;
  letter-spacing: 0.06em;
  padding: 12px 20px;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-disclaimer .back-top::before {
  content: "↑";
  color: var(--c-accent);
  font-size: 16px;
  line-height: 1;
}

.page-disclaimer .back-top:hover,
.page-disclaimer .back-top:focus-visible {
  border-color: var(--c-accent);
  color: var(--c-accent);
  background: var(--doc-accent-alpha);
}

/* 桌面端增强 */
@media (min-width: 800px) {
  .page-disclaimer .doc-head__grid {
    grid-template-columns: minmax(0, 1fr) 120px;
    gap: 32px;
  }

  .page-disclaimer .doc-head__meta {
    display: flex;
    justify-content: flex-end;
    padding-top: 28px;
  }

  .page-disclaimer .doc-card {
    padding: 40px 48px;
    margin-bottom: 36px;
  }

  .page-disclaimer .doc-card h2 {
    font-size: 28px;
  }

  .page-disclaimer .doc-card__body {
    font-size: 15px;
  }

  .page-disclaimer .update-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: center;
    gap: 32px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .doc-layout {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-disclaimer .doc-layout__rail {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 28px);
    height: 420px;
  }

  .page-disclaimer .doc-progress {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    height: 100%;
  }

  .page-disclaimer .doc-progress__track {
    position: relative;
    display: block;
    width: 2px;
    flex: 1;
    background: var(--c-grid);
    overflow: hidden;
  }

  .page-disclaimer .doc-progress__fill {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 34%;
    background: var(--c-accent);
    box-shadow: 0 0 12px rgba(57, 255, 20, 0.5);
  }

  .page-disclaimer .doc-progress__label {
    writing-mode: vertical-rl;
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--c-silver);
  }
}