.page-disclaimer {
  --doc-w: 780px;
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-disclaimer .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: clamp(18px, 4vw, 32px) 0 clamp(20px, 4vw, 34px);
  font-size: 13px;
  color: var(--muted);
}

.page-disclaimer .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

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

.page-disclaimer .doc-head {
  display: grid;
  gap: 16px;
  max-width: 900px;
}

.page-disclaimer .eyebrow {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-disclaimer .doc-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(36px, 7vw, 76px);
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-disclaimer .doc-lede {
  margin: 0;
  max-width: 52ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--muted);
}

/* 头图 */
.page-disclaimer .doc-hero {
  margin: clamp(26px, 4vw, 44px) 0 0;
  border-radius: var(--r-md);
  border: 1px solid var(--edge);
  overflow: hidden;
  background: var(--panel);
}

.page-disclaimer .doc-hero img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  opacity: .86;
}

/* 开篇摘要 */
.page-disclaimer .doc-abstract {
  margin: clamp(28px, 4vw, 44px) auto 0;
  max-width: var(--doc-w);
  padding: clamp(20px, 3.4vw, 32px);
  background: var(--panel);
  border: 1px solid var(--edge);
  border-left: 3px solid var(--cyan);
  border-radius: var(--r-sm);
}

.page-disclaimer .doc-abstract__title {
  margin: 0 0 6px;
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-disclaimer .doc-abstract__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .abstract-item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 14px 0;
  border-top: 1px solid var(--edge);
}

.page-disclaimer .abstract-item:first-child {
  border-top: 0;
  padding-top: 6px;
}

.page-disclaimer .abstract-item__num {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-disclaimer .abstract-item__link {
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--edge);
  padding-bottom: 2px;
  transition: color .16s var(--ease), border-color .16s var(--ease), padding-left .16s var(--ease);
}

.page-disclaimer .abstract-item__link:hover,
.page-disclaimer .abstract-item__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  padding-left: 4px;
}

/* 阅读窄栏 */
.page-disclaimer .doc-body {
  max-width: var(--doc-w);
  margin: clamp(36px, 5vw, 60px) auto 0;
}

.page-disclaimer .chapters {
  display: grid;
  gap: clamp(30px, 4.4vw, 48px);
}

.page-disclaimer .chapter {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding-top: 22px;
}

.page-disclaimer .chapter::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 64px;
  height: 2px;
  background: var(--cyan);
}

.page-disclaimer .chapter__num {
  position: relative;
  display: inline-block;
  width: max-content;
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--muted);
  opacity: .5;
  cursor: default;
  transition: opacity .18s var(--ease), color .18s var(--ease);
}

.page-disclaimer .chapter__num:hover,
.page-disclaimer .chapter__num:focus-visible {
  opacity: 1;
  color: var(--cyan);
  outline: none;
}

.page-disclaimer .chapter__body h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(21px, 2.4vw, 26px);
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-disclaimer .chapter__body p {
  margin: 0 0 14px;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text);
  opacity: .84;
}

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

.page-disclaimer .chapter__list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-disclaimer .chapter__list li {
  position: relative;
  padding-left: 20px;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-disclaimer .chapter__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 2px;
  background: var(--cyan);
  opacity: .7;
}

.page-disclaimer .doc-body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(44, 224, 198, .45);
  transition: border-color .16s var(--ease), color .16s var(--ease);
}

.page-disclaimer .doc-body a:hover,
.page-disclaimer .doc-body a:focus-visible {
  border-bottom-color: var(--cyan);
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

/* 结尾联系条 */
.page-disclaimer .doc-contact {
  margin-top: clamp(44px, 6vw, 72px);
  padding: clamp(24px, 4vw, 40px);
  background: var(--sand);
  color: var(--ink);
  border-radius: var(--r-lg);
  display: grid;
  gap: 20px;
}

.page-disclaimer .doc-contact__main h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.3;
  color: var(--ink);
}

.page-disclaimer .doc-contact__main p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--ink);
  opacity: .75;
}

.page-disclaimer .doc-contact__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-disclaimer .doc-contact__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--ink);
  border-top: 1px solid rgba(6, 18, 15, .14);
  padding-top: 10px;
}

.page-disclaimer .doc-contact__list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .doc-contact__label {
  min-width: 44px;
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: .12em;
  color: rgba(6, 18, 15, .55);
}

.page-disclaimer .doc-contact__list a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(6, 18, 15, .35);
  transition: border-color .16s var(--ease);
}

.page-disclaimer .doc-contact__list a:hover,
.page-disclaimer .doc-contact__list a:focus-visible {
  border-bottom-color: var(--ink);
  outline: 2px solid var(--ink);
  outline-offset: 3px;
  border-radius: 2px;
}

.page-disclaimer .doc-contact__note {
  margin: 0;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--ink);
  opacity: .8;
}

.page-disclaimer .doc-contact__note a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(6, 18, 15, .35);
}

.page-disclaimer .doc-contact__note a:hover,
.page-disclaimer .doc-contact__note a:focus-visible {
  border-bottom-color: var(--ink);
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

@media (min-width: 760px) {
  .page-disclaimer .doc-hero img {
    aspect-ratio: 3 / 1;
  }

  .page-disclaimer .doc-contact {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    column-gap: clamp(28px, 4vw, 56px);
  }

  .page-disclaimer .doc-contact__note {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .chapter {
    grid-template-columns: 88px minmax(0, 1fr);
    column-gap: 28px;
    align-items: start;
  }

  .page-disclaimer .chapter__num {
    padding-top: 2px;
  }

  .page-disclaimer .chapter__num::after {
    content: attr(data-title);
    position: absolute;
    left: 0;
    top: calc(100% + 10px);
    white-space: nowrap;
    padding: 6px 12px;
    font-family: var(--font-body);
    font-size: 12px;
    letter-spacing: .06em;
    color: var(--text);
    background: var(--panel);
    border: 1px solid var(--edge);
    border-radius: 999px;
    opacity: 0;
    transform: translateY(-4px);
    pointer-events: none;
    transition: opacity .12s var(--ease), transform .12s var(--ease);
  }

  .page-disclaimer .chapter__num:hover::after,
  .page-disclaimer .chapter__num:focus-visible::after {
    opacity: 1;
    transform: translateY(0);
  }

  .page-disclaimer .doc-contact {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr) minmax(0, .9fr);
    align-items: start;
  }

  .page-disclaimer .doc-contact__note {
    grid-column: 3;
    align-self: end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .breadcrumbs a,
  .page-disclaimer .abstract-item__link,
  .page-disclaimer .chapter__num,
  .page-disclaimer .chapter__num::after,
  .page-disclaimer .doc-body a,
  .page-disclaimer .doc-contact__list a {
    transition: none;
  }

  .page-disclaimer .chapter__num::after {
    transform: none;
  }
}