.page-disclaimer {
  --disclaimer-bg: #0A1F44;
  --disclaimer-deep: #071633;
  --disclaimer-rule: rgba(255, 255, 255, 0.14);
  --disclaimer-muted: #9AAECB;
  --disclaimer-text: #E8EFFC;
  --disclaimer-orange: #FF5C00;
  --disclaimer-cyan: #00C2D1;

  background:
    radial-gradient(60rem 18rem at 100% -2%, rgba(0, 194, 209, 0.14), transparent 65%),
    radial-gradient(50rem 20rem at -10% 50%, rgba(255, 92, 0, 0.08), transparent 60%),
    var(--disclaimer-bg);
  color: var(--disclaimer-text);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: clip;
}

/* 面包屑深色调 */
.page-disclaimer .breadcrumb {
  margin: 1.25rem 0 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.page-disclaimer .breadcrumb a {
  color: var(--disclaimer-cyan);
  text-decoration: none;
  transition: color 200ms var(--ease);
}

.page-disclaimer .breadcrumb a:hover {
  color: #FFFFFF;
}

.page-disclaimer .breadcrumb__separator {
  margin: 0 0.5rem;
  color: var(--disclaimer-muted);
}

/* 封面 */
.disclaimer-cover {
  padding: 1.5rem 0 2.25rem;
  border-bottom: 1px solid var(--disclaimer-rule);
}

.disclaimer-cover__layout {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.disclaimer-cover__figure {
  margin: 0;
  position: relative;
  width: 100%;
  max-width: 100%;
}

.disclaimer-cover__image {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--disclaimer-rule);
  background: var(--disclaimer-deep);
}

.disclaimer-cover__frame {
  position: absolute;
  top: -0.625rem;
  right: -0.625rem;
  pointer-events: none;
}

.disclaimer-cover__edition {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  color: var(--disclaimer-cyan);
  text-transform: uppercase;
}

.disclaimer-cover__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.75rem, 7vw, 4.25rem);
  line-height: 1.04;
  margin: 0.5rem 0 0;
  letter-spacing: 0.01em;
  color: #FFFFFF;
}

.disclaimer-cover__lead {
  margin-top: 1rem;
  max-width: 44rem;
  font-size: 1rem;
  color: var(--disclaimer-muted);
}

/* 关键要点摘要 */
.disclaimer-summary {
  border-bottom: 1px solid var(--disclaimer-rule);
  padding: 2rem 0;
}

.disclaimer-summary__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.disclaimer-summary__item {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  border-top: 1px solid var(--disclaimer-rule);
  padding-top: 0.75rem;
  font-size: 0.9375rem;
  color: var(--disclaimer-text);
}

.disclaimer-summary__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--disclaimer-orange);
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.disclaimer-summary__item strong {
  color: #FFFFFF;
  font-weight: 600;
}

/* 主体布局 */
.disclaimer-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: 2.5rem 0 4.5rem;
}

/* 侧栏目录 */
.disclaimer-side__sticky {
  border-left: 1px solid var(--disclaimer-rule);
  padding-left: 1.25rem;
}

.disclaimer-side__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--disclaimer-cyan);
  text-transform: uppercase;
}

.disclaimer-toc {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.disclaimer-toc li {
  margin: 0;
}

.disclaimer-toc__link {
  display: inline-block;
  position: relative;
  padding-left: 0.875rem;
  border-left: 2px solid transparent;
  font-size: 0.875rem;
  color: #C7D3E8;
  text-decoration: none;
  line-height: 1.5;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.disclaimer-toc__link::before {
  content: "";
  position: absolute;
  left: -2px;
  top: 0.9em;
  width: 2px;
  height: 0.75em;
  background: var(--disclaimer-cyan);
  transform: scaleY(0);
  transform-origin: center top;
  transition: transform 200ms var(--ease);
}

.disclaimer-toc__link:hover {
  color: #FFFFFF;
  border-left-color: rgba(255, 255, 255, 0.32);
}

.disclaimer-toc__link:hover::before {
  transform: scaleY(1);
}

.disclaimer-side__note {
  margin-top: 2rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--disclaimer-muted);
  max-width: 12rem;
}

.disclaimer-side__dot {
  display: block;
  width: 0.5rem;
  height: 0.5rem;
  margin-top: 0.35rem;
  border-radius: 50%;
  background: var(--disclaimer-orange);
  box-shadow: 0 0 0 0.25rem rgba(255, 92, 0, 0.18);
  flex-shrink: 0;
}

/* 章节 */
.disclaimer-section {
  padding: 1.5rem 0 0;
  border-top: 1px solid var(--disclaimer-rule);
}

.disclaimer-section + .disclaimer-section {
  margin-top: 2.5rem;
}

.disclaimer-section__head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.disclaimer-section__num {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--disclaimer-orange);
  line-height: 1.2;
  padding-top: 0.25rem;
}

.disclaimer-section__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.5rem;
  line-height: 1.2;
  color: #FFFFFF;
  margin: 0;
}

.disclaimer-section__caption {
  display: block;
  margin-top: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--disclaimer-muted);
  text-transform: uppercase;
}

.disclaimer-section__body {
  font-size: 0.9375rem;
  color: var(--disclaimer-text);
  max-width: 46rem;
}

.disclaimer-section__body p {
  margin: 0 0 1rem;
}

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

.disclaimer-mark {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.08);
  padding: 0.125rem 0.375rem;
  border-bottom: 1px solid var(--disclaimer-cyan);
  font-weight: 600;
  transition: background 200ms var(--ease), border-color 200ms var(--ease);
}

.disclaimer-mark:hover {
  background: rgba(255, 255, 255, 0.14);
  border-bottom-color: var(--disclaimer-orange);
}

.disclaimer-mark--orange {
  color: var(--disclaimer-orange);
  font-weight: 700;
}

/* 按钮适配深色背景 */
.page-disclaimer .btn--ghost {
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #FFFFFF;
  background: transparent;
  padding: 0.625rem 1.25rem;
  display: inline-flex;
  width: max-content;
  font-size: 0.875rem;
  text-decoration: none;
  transition: border-color 200ms var(--ease), color 200ms var(--ease), background 200ms var(--ease);
  margin-top: 1rem;
}

.page-disclaimer .btn--ghost:hover {
  border-color: var(--disclaimer-cyan);
  color: var(--disclaimer-cyan);
  background: rgba(255, 255, 255, 0.04);
}

/* 页脚导航 */
.disclaimer-footnav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-top: 2.5rem;
  padding: 1.25rem 0 1rem;
  border-top: 1px solid var(--disclaimer-rule);
}

.disclaimer-footnav__item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0 1.125rem;
  border: 1px solid var(--disclaimer-rule);
  color: var(--disclaimer-text);
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  text-decoration: none;
  transition: border-color 200ms var(--ease), color 200ms var(--ease);
}

.disclaimer-footnav__item:hover {
  border-color: var(--disclaimer-orange);
  color: var(--disclaimer-orange);
}

/* 滚动显现（无障碍偏好优先） */
@media (prefers-reduced-motion: no-preference) {
  .page-disclaimer .disclaimer-section {
    animation: disclaimer-reveal 500ms var(--ease) both;
    animation-timeline: view();
    animation-range: entry 0% entry 35%;
  }
}

@keyframes disclaimer-reveal {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 桌面端 */
@media (min-width: 768px) {
  .disclaimer-cover__layout {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: center;
    gap: 2.5rem;
  }

  .disclaimer-summary__grid {
    grid-template-columns: repeat(2, 1fr);
    column-gap: 2rem;
  }

  .disclaimer-layout {
    grid-template-columns: 240px 1fr;
    gap: 3rem;
  }

  .disclaimer-section__head {
    grid-template-columns: auto 1fr;
    gap: 1.25rem;
  }

  .disclaimer-section__num {
    font-size: 1.125rem;
  }
}

@media (min-width: 1100px) {
  .disclaimer-layout {
    grid-template-columns: 260px 1fr;
    gap: 4rem;
  }

  .disclaimer-section__body {
    font-size: 1rem;
  }

  .disclaimer-section__body p {
    max-width: 40rem;
  }
}