.page-disclaimer {
  --disclaimer-num-size: clamp(2.75rem, 6vw, 4.5rem);
  --disclaimer-card-shadow: 0 12px 24px rgba(0, 0, 0, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  background: var(--color-primary-bg);
  color: var(--color-text-primary);
}

/* ===== 顶部声明横幅 ===== */
.page-disclaimer .disclaimer-hero {
  position: relative;
  padding: 44px 0 40px;
  background: linear-gradient(135deg, transparent 0%, rgba(0, 230, 118, 0.04) 48%, transparent 52%), var(--color-deep-bg);
  border-bottom: 1px solid var(--color-border-line);
}

.page-disclaimer .disclaimer-hero::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent-green) 0%, var(--color-accent-green) 62%, var(--color-accent-orange) 62%, var(--color-accent-orange) 100%);
}

.page-disclaimer .disclaimer-hero__inner {
  margin-top: 28px;
}

.page-disclaimer .disclaimer-hero__tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--color-accent-green);
  text-transform: uppercase;
  margin: 0 0 10px;
}

.page-disclaimer .disclaimer-hero__dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent-orange);
  margin-right: 8px;
  box-shadow: 0 0 0 3px rgba(255, 109, 0, 0.22);
}

.page-disclaimer .disclaimer-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(1.875rem, 4.4vw, 2.875rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  color: var(--color-text-primary);
}

.page-disclaimer .disclaimer-hero__lead {
  max-width: 680px;
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 1.0625rem;
  line-height: 1.75;
}

/* ===== 快速索引 ===== */
.page-disclaimer .disclaimer-index {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}

.page-disclaimer .disclaimer-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border-line);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: 0.875rem;
  line-height: 1;
  transition: border-color var(--duration) var(--ease), transform var(--duration) var(--ease), background var(--duration) var(--ease);
}

.page-disclaimer .disclaimer-index__link:hover,
.page-disclaimer .disclaimer-index__link:focus-visible {
  border-color: var(--color-accent-orange);
  background: var(--color-card-bg);
  transform: translateY(-2px);
}

.page-disclaimer .disclaimer-index__num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-accent-orange);
}

/* ===== 章节通用 ===== */
.page-disclaimer .disclaimer-chapter {
  padding: 56px 0;
  border-bottom: 1px solid var(--color-border-line);
  scroll-margin-top: 120px;
}

.page-disclaimer .disclaimer-chapter--split {
  background: var(--color-deep-bg);
}

.page-disclaimer .disclaimer-chapter__grid {
  display: grid;
  gap: 32px;
}

.page-disclaimer .disclaimer-chapter__side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.page-disclaimer .disclaimer-chapter__num {
  font-family: var(--font-mono);
  font-size: var(--disclaimer-num-size);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-accent-orange);
  opacity: 0.92;
}

.page-disclaimer .disclaimer-chapter__body {
  min-width: 0;
}

.page-disclaimer .disclaimer-chapter__title {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2.4vw, 1.75rem);
  line-height: 1.3;
  margin: 0 0 16px;
  color: var(--color-text-primary);
}

.page-disclaimer .disclaimer-chapter__body > p {
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin: 0 0 16px;
}

.page-disclaimer .disclaimer-chapter__body > p strong {
  color: var(--color-text-primary);
}

/* ===== 列表 ===== */
.page-disclaimer .disclaimer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .disclaimer-list li {
  position: relative;
  padding-left: 22px;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.page-disclaimer .disclaimer-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.6em;
  width: 8px;
  height: 8px;
  background: var(--color-accent-green);
  border-radius: 2px;
  transform: skew(-14deg);
}

.page-disclaimer .disclaimer-list--cross li::before {
  background: var(--color-accent-orange);
}

/* ===== 版本卡片 ===== */
.page-disclaimer .disclaimer-version-grid {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.page-disclaimer .disclaimer-version-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border-line);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--disclaimer-card-shadow);
  transition: transform var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.page-disclaimer .disclaimer-version-card--beta {
  border-top: 3px solid var(--color-accent-orange);
}

.page-disclaimer .disclaimer-version-card--stable {
  border-top: 3px solid var(--color-accent-green);
}

.page-disclaimer .disclaimer-version-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-line);
}

.page-disclaimer .disclaimer-version-card h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  margin: 12px 0 8px;
  color: var(--color-text-primary);
}

.page-disclaimer .disclaimer-version-card p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.9063rem;
  line-height: 1.7;
}

.page-disclaimer .disclaimer-version-card p strong {
  color: var(--color-text-primary);
}

/* ===== 免责声明双栏 ===== */
.page-disclaimer .disclaimer-chapter__dual {
  display: grid;
  gap: 24px;
  margin-top: 24px;
  align-items: center;
}

.page-disclaimer .disclaimer-figure {
  margin: 0;
}

.page-disclaimer .disclaimer-figure__frame {
  border: 1px solid var(--color-border-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-card-bg);
  box-shadow: var(--disclaimer-card-shadow);
}

.page-disclaimer .disclaimer-figure__frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 8 / 5;
}

.page-disclaimer .disclaimer-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
}

/* ===== 知识产权折叠 ===== */
.page-disclaimer .disclaimer-details {
  margin-top: 24px;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border-line);
  border-radius: var(--radius-md);
  box-shadow: var(--disclaimer-card-shadow);
}

.page-disclaimer .disclaimer-details summary {
  cursor: pointer;
  padding: 18px 20px;
  font-weight: 600;
  color: var(--color-text-primary);
  position: relative;
  list-style: none;
  transition: background var(--duration) var(--ease);
}

.page-disclaimer .disclaimer-details summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .disclaimer-details summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-accent-orange);
  font-family: var(--font-mono);
  font-size: 1.375rem;
  line-height: 1;
  transition: transform var(--duration) var(--ease);
}

.page-disclaimer .disclaimer-details[open] summary {
  border-bottom: 1px solid var(--color-border-line);
}

.page-disclaimer .disclaimer-details[open] summary::after {
  content: "−";
}

.page-disclaimer .disclaimer-details__body {
  padding: 20px;
}

/* ===== 联系卡片 ===== */
.page-disclaimer .disclaimer-contact-grid {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.page-disclaimer .disclaimer-contact-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border-line);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--disclaimer-card-shadow);
  transition: transform var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.page-disclaimer .disclaimer-contact-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-accent-green);
}

.page-disclaimer .disclaimer-contact-card__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent-green);
  margin-bottom: 8px;
}

.page-disclaimer .disclaimer-contact-card__value {
  display: block;
  font-size: 0.9375rem;
  color: var(--color-text-primary);
  word-break: break-all;
  line-height: 1.6;
}

/* ===== 注释与链接 ===== */
.page-disclaimer .disclaimer-note {
  margin-top: 20px;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.page-disclaimer .disclaimer-note__link {
  color: var(--color-accent-green);
  text-decoration: none;
  border-bottom: 1px dashed var(--color-accent-green);
  transition: opacity var(--duration) var(--ease);
}

.page-disclaimer .disclaimer-note__link:hover,
.page-disclaimer .disclaimer-note__link:focus-visible {
  opacity: 0.75;
}

/* ===== 备案条 ===== */
.page-disclaimer .disclaimer-icp {
  background: var(--color-deep-bg);
  border-bottom: 1px solid var(--color-border-line);
  padding: 24px 0;
}

.page-disclaimer .disclaimer-icp .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.page-disclaimer .disclaimer-icp__label {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
  background: rgba(255, 255, 255, 0.06);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.page-disclaimer .disclaimer-icp__code {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  letter-spacing: 0.04em;
  color: var(--color-text-primary);
}

/* ===== 返回顶部 ===== */
.page-disclaimer .disclaimer-backtop {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: calc(var(--z-header) + 1);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-orange);
  color: #0b1e3a;
  border-radius: 50%;
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 700;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  transition: transform var(--duration) var(--ease), opacity var(--duration) var(--ease);
}

.page-disclaimer .disclaimer-backtop:hover,
.page-disclaimer .disclaimer-backtop:focus-visible {
  transform: translateY(-3px);
  opacity: 0.9;
}

/* ===== 桌面端增强 ===== */
@media (min-width: 768px) {
  .page-disclaimer .disclaimer-hero {
    padding: 52px 0 48px;
  }

  .page-disclaimer .disclaimer-hero__inner {
    margin-top: 36px;
  }

  .page-disclaimer .disclaimer-index {
    gap: 12px;
  }

  .page-disclaimer .disclaimer-chapter {
    padding: 72px 0;
  }

  .page-disclaimer .disclaimer-chapter__grid {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 56px;
  }

  .page-disclaimer .disclaimer-chapter__side {
    position: sticky;
    top: 132px;
    align-self: start;
    padding-top: 4px;
  }

  .page-disclaimer .disclaimer-version-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .page-disclaimer .disclaimer-chapter__dual {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 32px;
  }

  .page-disclaimer .disclaimer-contact-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-disclaimer .disclaimer-backtop {
    right: 32px;
    bottom: 32px;
  }
}