.page-disclaimer {
  --doc-aside: 15.5rem;
  --doc-gap: clamp(1.75rem, 5vw, 4.5rem);
  background: var(--navy-950);
  color: var(--snow);
  overflow-x: hidden;
}

/* ---------- 首屏：窄幅文档页眉 ---------- */
.page-disclaimer .doc-hero {
  position: relative;
  isolation: isolate;
  padding: calc(var(--header-h) + clamp(2.2rem, 6vw, 4.5rem)) 0 clamp(2rem, 5vw, 3.4rem);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .doc-hero__media {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.page-disclaimer .doc-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
  filter: grayscale(0.35) saturate(0.7);
}

.page-disclaimer .doc-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 16, 31, 0.48) 0%, rgba(7, 16, 31, 0.86) 62%, var(--navy-950) 100%),
    repeating-linear-gradient(90deg, rgba(42, 58, 85, 0.38) 0 1px, transparent 1px 88px);
}

.page-disclaimer .doc-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(0.85rem, 2vw, 1.35rem);
  justify-items: start;
}

.page-disclaimer .doc-hero__title {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5.6vw, 3.9rem);
  line-height: 1.06;
  letter-spacing: -0.035em;
  color: var(--snow);
}

.page-disclaimer .doc-hero__lead {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.85;
  color: var(--mist);
}

.page-disclaimer .doc-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0.35rem 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 文档主体栅格 ---------- */
.page-disclaimer .doc-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--doc-gap);
  padding-block: clamp(2.25rem, 6vw, 4.5rem) clamp(3rem, 7vw, 5.5rem);
}

/* ---------- 侧栏目录 ---------- */
.page-disclaimer .doc-aside {
  border-top: 1px solid var(--line);
  padding-top: 1.35rem;
}

.page-disclaimer .doc-aside__title {
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-disclaimer .doc-toc {
  display: grid;
  gap: 0.1rem;
}

.page-disclaimer .doc-toc a {
  position: relative;
  display: block;
  padding: 0.55rem 0.6rem 0.55rem 1.4rem;
  border-left: 1px solid var(--line);
  color: var(--mist);
  font-size: 0.9375rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-disclaimer .doc-toc a::before {
  content: "";
  position: absolute;
  left: -0.25rem;
  top: 1.02rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--line);
  transition: background-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-disclaimer .doc-toc a:hover,
.page-disclaimer .doc-toc a:focus-visible {
  color: var(--snow);
  background: rgba(27, 43, 74, 0.55);
}

.page-disclaimer .doc-toc a[aria-current="true"] {
  color: var(--snow);
  background: rgba(27, 43, 74, 0.78);
}

.page-disclaimer .doc-toc a[aria-current="true"]::before {
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(46, 230, 184, 0.16);
}

.page-disclaimer .doc-aside__note {
  margin: 1.5rem 0 0;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-left: 2px solid var(--amber);
  background: rgba(18, 32, 58, 0.6);
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-disclaimer .doc-aside__note a {
  color: var(--snow);
  text-decoration: underline;
  text-decoration-color: var(--amber);
  text-underline-offset: 0.22em;
}

/* ---------- 条款章节 ---------- */
.page-disclaimer .clause {
  padding-block: clamp(1.75rem, 3.4vw, 2.75rem);
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
}

.page-disclaimer .clause:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-disclaimer .clause__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.75rem 1.1rem;
  align-items: start;
  margin-bottom: 1.1rem;
}

.page-disclaimer .clause__num {
  padding-top: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-disclaimer .clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 2.6vw, 1.8rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--snow);
}

.page-disclaimer .clause p {
  margin: 0 0 1rem;
  max-width: 68ch;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(245, 247, 250, 0.86);
}

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

.page-disclaimer .clause-list {
  display: grid;
  gap: 0.7rem;
  margin: 1.15rem 0 0;
  padding: 0;
  max-width: 68ch;
  list-style: none;
}

.page-disclaimer .clause-list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.9688rem;
  line-height: 1.78;
  color: rgba(245, 247, 250, 0.8);
}

.page-disclaimer .clause-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 0.4rem;
  height: 0.4rem;
  background: var(--mint-deep);
  transform: rotate(45deg);
}

/* ---------- 版本对照格 ---------- */
.page-disclaimer .ver-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 1.5rem;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-disclaimer .ver-cell {
  display: grid;
  gap: 0.3rem;
  padding: 1rem 1.15rem;
  background: var(--navy-900);
}

.page-disclaimer .ver-cell__k {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-disclaimer .ver-cell__v {
  font-size: 0.9688rem;
  line-height: 1.55;
  color: var(--snow);
}

/* ---------- 更新时效数据带 ---------- */
.page-disclaimer .time-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 1.5rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--line);
}

.page-disclaimer .time-strip__item {
  display: grid;
  gap: 0.28rem;
  padding: 1rem 0.95rem;
  background: var(--navy-950);
}

.page-disclaimer .time-strip__num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  letter-spacing: -0.02em;
  color: var(--snow);
}

.page-disclaimer .time-strip__label {
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--mist);
}

/* ---------- 联系信息卡 ---------- */
.page-disclaimer .contact-card {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.6rem;
  padding: clamp(1.15rem, 3vw, 1.75rem);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(27, 43, 74, 0.72), rgba(11, 20, 38, 0.42));
}

.page-disclaimer .contact-card__title {
  margin: 0 0 0.2rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
  color: var(--snow);
}

.page-disclaimer .contact-card__row {
  display: grid;
  gap: 0.15rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid rgba(42, 58, 85, 0.55);
}

.page-disclaimer .contact-card__k {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-disclaimer .contact-card__v {
  font-size: 0.9688rem;
  line-height: 1.6;
  color: var(--snow);
  word-break: break-word;
}

.page-disclaimer .contact-card__note {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 结尾指引 ---------- */
.page-disclaimer .doc-end {
  display: grid;
  gap: 1.2rem;
  margin-top: clamp(2rem, 5vw, 3.5rem);
  padding-top: clamp(1.5rem, 4vw, 2.4rem);
  border-top: 1px solid var(--line);
}

.page-disclaimer .doc-end__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.125rem, 2.4vw, 1.5rem);
  line-height: 1.35;
  letter-spacing: -0.015em;
  color: var(--snow);
}

.page-disclaimer .doc-end__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.page-disclaimer :focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 3px;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 34rem) {
  .page-disclaimer .ver-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-disclaimer .contact-card__row {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1rem;
  }
}

@media (min-width: 48rem) {
  .page-disclaimer .time-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-disclaimer .doc-hero {
    padding-top: calc(var(--header-h) + clamp(3rem, 6vw, 5.5rem));
  }
}

@media (min-width: 60rem) {
  .page-disclaimer .doc-body {
    grid-template-columns: var(--doc-aside) minmax(0, 1fr);
    align-items: start;
  }

  .page-disclaimer .doc-aside {
    position: sticky;
    top: calc(var(--header-h) + 1.75rem);
    padding-top: 0;
    border-top: 0;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .page-disclaimer {
    background: #ffffff;
    color: #111111;
  }

  .page-disclaimer .doc-hero__media,
  .page-disclaimer .doc-aside,
  .page-disclaimer .doc-end,
  .page-disclaimer .doc-hero__tags {
    display: none;
  }

  .page-disclaimer .doc-hero,
  .page-disclaimer .clause {
    border-color: #cfd6e2;
    padding-top: 0.75rem;
  }

  .page-disclaimer .doc-hero__title,
  .page-disclaimer .clause__title,
  .page-disclaimer .clause p,
  .page-disclaimer .clause-list li,
  .page-disclaimer .contact-card__v,
  .page-disclaimer .time-strip__num {
    color: #111111;
  }

  .page-disclaimer .clause__num {
    color: #8a2c1c;
  }

  .page-disclaimer .contact-card,
  .page-disclaimer .ver-cell,
  .page-disclaimer .time-strip__item {
    background: #ffffff;
    border-color: #cfd6e2;
  }

  .page-disclaimer .doc-body {
    display: block;
    padding-block: 1rem;
  }
}

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