.page-disclaimer {
  --doc-w: 720px;
  --doc-gap: clamp(28px, 4.5vw, 52px);
  background-color: var(--ink-900);
  background-image: radial-gradient(1100px 460px at 50% -10%, rgba(20, 54, 48, 0.6), transparent 72%);
  color: var(--text);
  padding-bottom: clamp(56px, 8vw, 104px);
}

/* 页首抽象横幅 */
.page-disclaimer .doc-banner {
  position: relative;
  height: clamp(170px, 25vw, 300px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .doc-banner img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: 0.46;
  filter: saturate(0.62) contrast(1.06);
}

.page-disclaimer .doc-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 26, 23, 0.2) 0%, rgba(7, 26, 23, 0.55) 58%, var(--ink-900) 100%);
  pointer-events: none;
}

.page-disclaimer .doc-banner__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(31, 79, 70, 0.4) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 79, 70, 0.4) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.5;
  pointer-events: none;
}

/* 窄栏文档容器 */
.page-disclaimer .doc-wrap {
  max-width: var(--doc-w);
  margin: 0 auto;
  padding-top: clamp(30px, 5vw, 56px);
}

/* 面包屑 */
.page-disclaimer .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55em;
  margin-bottom: clamp(26px, 4.5vw, 46px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-disclaimer .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-disclaimer .breadcrumbs a:hover,
.page-disclaimer .breadcrumbs a:focus-visible {
  color: var(--text);
  border-bottom-color: var(--line);
}

.page-disclaimer .breadcrumbs [aria-current="page"] {
  color: var(--text);
}

/* 导语区 */
.page-disclaimer .doc-intro .eyebrow {
  margin: 0 0 16px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-disclaimer h1 {
  margin: 0 0 22px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(1.9rem, 5vw, 3rem);
  line-height: 1.16;
  letter-spacing: 0.005em;
  color: var(--text);
  max-width: 20ch;
}

.page-disclaimer .doc-intro__lede {
  margin: 0 0 22px;
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.92;
  color: var(--text);
}

.page-disclaimer .doc-intro__meta {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* 文档边界线 */
.page-disclaimer .doc-rule {
  height: 1px;
  margin: var(--doc-gap) 0;
  background: linear-gradient(90deg, var(--gold) 0%, rgba(201, 162, 39, 0.18) 46%, rgba(201, 162, 39, 0) 100%);
}

/* 条款索引 */
.page-disclaimer .doc-index {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-bottom: var(--doc-gap);
}

.page-disclaimer .doc-index a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55em;
  padding-bottom: 3px;
  font-size: 13.5px;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-disclaimer .doc-index a:hover,
.page-disclaimer .doc-index a:focus-visible {
  color: var(--text);
  border-bottom-color: var(--cyan);
}

.page-disclaimer .doc-index .mono {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* 条款 */
.page-disclaimer .clause {
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-disclaimer .clause + .clause {
  margin-top: var(--doc-gap);
  padding-top: var(--doc-gap);
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .clause__title {
  margin: 0 0 18px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(1.22rem, 2.4vw, 1.55rem);
  line-height: 1.42;
  color: var(--text);
}

.page-disclaimer .clause__num {
  display: inline-block;
  min-width: 2.7em;
  margin-right: 0.5em;
  font-family: var(--font-mono);
  font-size: 0.76em;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 200ms var(--ease);
}

.page-disclaimer .clause__num:hover,
.page-disclaimer .clause__num:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-disclaimer .clause__body p {
  margin: 0 0 1.05em;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text);
}

.page-disclaimer .clause__body ul {
  margin: 0 0 1.05em;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}

.page-disclaimer .clause__body li {
  position: relative;
  padding-left: 1.5em;
  font-size: 1rem;
  line-height: 1.88;
  color: var(--text);
}

.page-disclaimer .clause__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.86em;
  width: 0.62em;
  height: 1px;
  background: var(--line);
}

.page-disclaimer .clause__body p:last-child,
.page-disclaimer .clause__body ul:last-child {
  margin-bottom: 0;
}

.page-disclaimer .clause__body a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
  transition: color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-disclaimer .clause__body a:hover,
.page-disclaimer .clause__body a:focus-visible {
  color: var(--cyan);
}

/* 文末链接组 */
.page-disclaimer .doc-foot .eyebrow {
  margin: 0 0 16px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-disclaimer .doc-foot__links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
}

.page-disclaimer .doc-foot__links a {
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-disclaimer .doc-foot__links a:hover,
.page-disclaimer .doc-foot__links a:focus-visible {
  color: var(--text);
  border-bottom-color: var(--cyan);
}

/* 焦点可见性 */
.page-disclaimer a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: var(--radius);
}

@media (min-width: 760px) {
  .page-disclaimer .doc-index {
    gap: 12px 34px;
  }

  .page-disclaimer .clause__body li {
    padding-left: 1.7em;
  }
}

@media (max-width: 520px) {
  .page-disclaimer .doc-banner {
    height: 150px;
  }

  .page-disclaimer h1 {
    max-width: none;
  }

  .page-disclaimer .clause__num {
    display: block;
    margin: 0 0 6px;
    min-width: 0;
  }

  .page-disclaimer .clause__body li::before {
    top: 0.78em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}