.page-disclaimer {
  --disc-line: rgba(11, 42, 74, 0.16);
  --disc-line-strong: rgba(11, 42, 74, 0.30);
  --disc-gold-line: rgba(212, 160, 23, 0.42);
  --disc-space: clamp(48px, 7vw, 88px);
  --disc-space-sm: clamp(32px, 5vw, 56px);
  background: var(--sand);
  color: var(--ink);
}

.page-disclaimer .disc-shell {
  padding-top: clamp(36px, 5vw, 64px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* 面包屑 */
.page-disclaimer .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--slate);
  margin-bottom: var(--disc-space-sm);
}
.page-disclaimer .breadcrumb a {
  color: var(--deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s ease-out, color 0.18s ease-out;
}
.page-disclaimer .breadcrumb a:hover,
.page-disclaimer .breadcrumb a:focus-visible {
  color: var(--night);
  border-bottom-color: var(--gold);
}
.page-disclaimer .breadcrumb__sep {
  color: var(--slate);
  opacity: 0.7;
}
.page-disclaimer .breadcrumb > span[aria-current] {
  color: var(--ink);
}

/* 页头 */
.page-disclaimer .disc-head {
  max-width: 68ch;
  margin-bottom: var(--disc-space-sm);
}
.page-disclaimer .disc-head .eyebrow {
  margin: 0 0 18px;
  padding-left: 12px;
  border-left: 2px solid var(--gold);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--deep);
}
.page-disclaimer .disc-head h1 {
  margin: 0 0 24px;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5.2vw, 3.6rem);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--deep);
  max-width: 20ch;
}
.page-disclaimer .disc-head .lede {
  margin: 0;
  font-size: clamp(1rem, 1.15vw, 1.125rem);
  line-height: 1.85;
  color: var(--ink);
  max-width: 62ch;
}

.page-disclaimer .disc-head__facts {
  margin: var(--disc-space-sm) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--disc-line);
  border-left: 1px solid var(--disc-line);
}
.page-disclaimer .disc-fact {
  min-width: 0;
  padding: 14px 16px;
  border-right: 1px solid var(--disc-line);
  border-bottom: 1px solid var(--disc-line);
}
.page-disclaimer .disc-fact dt {
  margin: 0 0 6px;
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}
.page-disclaimer .disc-fact dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--deep);
  overflow-wrap: anywhere;
}

/* 条款索引 */
.page-disclaimer .disc-toc {
  margin: 0 0 var(--disc-space);
  padding-top: 20px;
  border-top: 1px solid var(--disc-line-strong);
}
.page-disclaimer .disc-toc__title {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--slate);
}
.page-disclaimer .disc-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
}
.page-disclaimer .disc-toc a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 0;
  font-size: 15px;
  color: var(--deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s ease-out, color 0.18s ease-out;
}
.page-disclaimer .disc-toc a:hover,
.page-disclaimer .disc-toc a:focus-visible {
  color: var(--night);
  border-bottom-color: var(--gold);
}
.page-disclaimer .disc-toc .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--gold);
}

/* 条款主体 */
.page-disclaimer .disc-section {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  scroll-margin-top: calc(var(--masthead-h, 64px) + 24px);
}
.page-disclaimer .disc-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--disc-line-strong);
}
.page-disclaimer .disc-section__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--gold);
}
.page-disclaimer .disc-section__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.3vw, 1.7rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--deep);
}
.page-disclaimer .disc-section__body {
  min-width: 0;
}

.page-disclaimer .disc-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: dcl;
  display: grid;
  gap: 20px;
}
.page-disclaimer .disc-list > li {
  counter-increment: dcl;
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 12px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
}
.page-disclaimer .disc-list > li::before {
  content: counter(dcl, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--slate);
  padding-top: 5px;
}
.page-disclaimer .disc-list a {
  color: var(--deep);
  text-decoration: none;
  border-bottom: 1px solid var(--disc-gold-line);
  transition: border-color 0.18s ease-out, color 0.18s ease-out;
}
.page-disclaimer .disc-list a:hover,
.page-disclaimer .disc-list a:focus-visible {
  color: var(--night);
  border-bottom-color: var(--gold);
}

/* 等高线分隔带 */
.page-disclaimer .disc-contour {
  margin: var(--disc-space) 0;
  height: 52px;
}
.page-disclaimer .disc-contour svg {
  display: block;
  width: 100%;
  height: 100%;
}

/* 引用建议 */
.page-disclaimer .disc-quote {
  margin: 24px 0 0;
  padding: 16px 18px;
  background: var(--linen);
  border: 1px solid var(--disc-line);
  border-left: 2px solid var(--gold);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}
.page-disclaimer .disc-quote__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

/* 复制按钮 */
.page-disclaimer .copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  max-width: 100%;
  padding: 9px 14px;
  background: var(--deep);
  color: var(--sand);
  border: 1px solid var(--deep);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.005em;
  text-align: left;
  cursor: pointer;
  transition: background 0.18s ease-out, border-color 0.18s ease-out;
}
.page-disclaimer .copy-btn:hover {
  background: var(--ridge);
  border-color: var(--ridge);
}
.page-disclaimer .copy-btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}
.page-disclaimer .copy-btn__value {
  overflow-wrap: anywhere;
}
.page-disclaimer .copy-btn__hint {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold-soft);
}

/* 联系块 */
.page-disclaimer .disc-contact {
  margin: 28px 0 0;
  padding: 20px;
  background: var(--deep);
  color: var(--sand);
  border-radius: 6px;
  display: grid;
  gap: 12px;
  justify-items: start;
}
.page-disclaimer .disc-contact__lead {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold-soft);
}
.page-disclaimer .disc-contact .copy-btn {
  background: rgba(252, 250, 246, 0.08);
  border-color: rgba(252, 250, 246, 0.22);
  color: var(--sand);
}
.page-disclaimer .disc-contact .copy-btn:hover {
  background: rgba(252, 250, 246, 0.14);
  border-color: var(--gold);
}
.page-disclaimer .disc-contact__note {
  margin: 0;
  max-width: 56ch;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(245, 239, 230, 0.72);
}

/* 收束视觉 */
.page-disclaimer .disc-visual {
  margin: var(--disc-space) 0 0;
  padding: 0;
  border: 1px solid var(--disc-line);
  border-radius: 6px;
  overflow: hidden;
  background: var(--night);
}
.page-disclaimer .disc-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

/* 回到顶部 */
.page-disclaimer .disc-top {
  margin: var(--disc-space-sm) 0 0;
  display: flex;
  justify-content: flex-end;
}
.page-disclaimer .disc-top a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--disc-line-strong);
  border-radius: 4px;
  background: transparent;
  color: var(--deep);
  font-size: 13px;
  text-decoration: none;
  transition: color 0.18s ease-out, border-color 0.18s ease-out, background 0.18s ease-out;
}
.page-disclaimer .disc-top a:hover,
.page-disclaimer .disc-top a:focus-visible {
  color: var(--night);
  border-color: var(--gold);
  background: rgba(212, 160, 23, 0.08);
}

@media (min-width: 860px) {
  .page-disclaimer .disc-head__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-disclaimer .disc-section {
    grid-template-columns: minmax(0, 196px) minmax(0, 1fr);
    gap: 44px;
  }
  .page-disclaimer .disc-section__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    align-self: start;
    position: sticky;
    top: calc(var(--masthead-h, 64px) + 36px);
    padding: 0 24px 0 0;
    border-bottom: 0;
    border-right: 1px solid var(--disc-line-strong);
  }
  .page-disclaimer .disc-quote {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
  }
  .page-disclaimer .disc-list > li {
    grid-template-columns: 2.8rem minmax(0, 1fr);
    gap: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .breadcrumb a,
  .page-disclaimer .disc-toc a,
  .page-disclaimer .disc-list a,
  .page-disclaimer .copy-btn,
  .page-disclaimer .disc-top a {
    transition: none;
  }
}