.page-disclaimer {
  --doc-line: #3A4642;
  --doc-line-soft: rgba(58, 70, 66, 0.55);
  --doc-race-soft: rgba(23, 232, 138, 0.08);
  --doc-volt-soft: rgba(47, 123, 255, 0.1);
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-body);
  padding-top: clamp(8px, 1.6vw, 18px);
  padding-bottom: clamp(40px, 6vw, 80px);
  overflow-x: hidden;
}

.page-disclaimer .breadcrumbs {
  margin-bottom: clamp(14px, 2.4vw, 26px);
}

/* 头部 */
.page-disclaimer .doc-head {
  position: relative;
  padding-bottom: clamp(18px, 3vw, 30px);
  border-bottom: 1px solid var(--doc-line);
}

.page-disclaimer .doc-head::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: min(58%, 380px);
  height: 4px;
  background: linear-gradient(90deg, var(--volt), var(--race) 55%, var(--acid));
}

.page-disclaimer .kicker {
  margin: clamp(10px, 2vw, 18px) 0 10px;
}

.page-disclaimer h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(38px, 8vw, 64px);
  line-height: 0.98;
  letter-spacing: 0.01em;
  margin: 0 0 clamp(12px, 2vw, 18px);
  color: var(--bone);
}

.page-disclaimer .doc-lead {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}

/* 数字条 */
.page-disclaimer .fact-strip {
  list-style: none;
  margin: clamp(20px, 3.4vw, 32px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--doc-line);
  border-left: 1px solid var(--doc-line);
}

.page-disclaimer .fact-strip li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  border-right: 1px solid var(--doc-line);
  border-bottom: 1px solid var(--doc-line);
  background: var(--slate);
}

.page-disclaimer .fact-num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 600;
  line-height: 1;
  color: var(--acid);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .fact-label {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* 头图 */
.page-disclaimer .doc-visual {
  position: relative;
  margin: clamp(20px, 3.4vw, 34px) 0 0;
  border: 1px solid var(--doc-line);
  background: var(--slate);
  overflow: hidden;
}

.page-disclaimer .doc-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.06);
}

.page-disclaimer .doc-visual figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--on-race);
  background: var(--race);
}

/* 双栏 */
.page-disclaimer .doc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
  margin-top: clamp(26px, 4.4vw, 52px);
}

/* 编号菜单 */
.page-disclaimer .doc-index {
  border: 1px solid var(--doc-line);
  background: var(--slate);
  min-width: 0;
}

.page-disclaimer .doc-index-head {
  margin: 0;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist);
  border-bottom: 1px solid var(--doc-line);
}

.page-disclaimer .doc-index ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-disclaimer .doc-index li {
  flex: 0 0 auto;
}

.page-disclaimer .doc-index a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 11px 14px;
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  color: var(--bone);
  text-decoration: none;
  border-right: 1px solid var(--doc-line-soft);
  transition: background-color 180ms ease, color 180ms ease;
}

.page-disclaimer .doc-index a .num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--race);
}

.page-disclaimer .doc-index a:hover,
.page-disclaimer .doc-index a:focus-visible {
  background: var(--doc-race-soft);
  color: var(--race);
  outline: none;
}

.page-disclaimer .doc-index a:focus-visible {
  box-shadow: inset 0 -2px 0 var(--acid);
}

/* 条款折叠 */
.page-disclaimer .doc-body {
  min-width: 0;
  border-top: 1px solid var(--doc-line);
}

.page-disclaimer .clause {
  border-bottom: 1px solid var(--doc-line);
  scroll-margin-top: 84px;
}

.page-disclaimer .clause > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: clamp(14px, 2.2vw, 20px) 2px;
  cursor: pointer;
  list-style: none;
  transition: background-color 180ms ease;
}

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

.page-disclaimer .clause > summary:hover {
  background: linear-gradient(90deg, var(--doc-race-soft), transparent 72%);
}

.page-disclaimer .clause > summary:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-disclaimer .clause-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--clay);
  padding-top: 4px;
}

.page-disclaimer .clause-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 3vw, 26px);
  line-height: 1.25;
  color: var(--bone);
  transition: color 180ms ease;
}

.page-disclaimer .clause-cue {
  position: relative;
  width: 28px;
  height: 28px;
  border: 1px solid var(--doc-line);
  display: grid;
  place-items: center;
  flex: none;
  transition: border-color 180ms ease, background-color 180ms ease;
}

.page-disclaimer .clause-cue::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--acid);
}

.page-disclaimer .clause[open] .clause-cue {
  border-color: var(--race);
  background: var(--doc-race-soft);
}

.page-disclaimer .clause[open] .clause-cue::before {
  content: "–";
  color: var(--race);
}

.page-disclaimer .clause[open] .clause-title {
  color: var(--race);
}

.page-disclaimer .clause[open] .clause-no {
  color: var(--race);
}

.page-disclaimer .clause-body {
  max-width: 44em;
  padding: 0 2px clamp(18px, 2.6vw, 26px);
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.85;
  color: var(--bone);
}

.page-disclaimer .clause-body p {
  margin: 0 0 0.95em;
}

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

.page-disclaimer .clause-body a {
  color: var(--signal);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-disclaimer .clause-body a:hover,
.page-disclaimer .clause-body a:focus-visible {
  color: var(--acid);
}

.page-disclaimer .note {
  border-left: 2px solid var(--volt);
  background: var(--doc-volt-soft);
  padding: 10px 14px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-disclaimer .clause-list {
  margin: 0 0 0.95em;
  padding: 0;
  list-style: none;
}

.page-disclaimer .clause-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
}

.page-disclaimer .clause-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.72em;
  width: 8px;
  height: 2px;
  background: var(--flame);
}

/* 联系信息块 */
.page-disclaimer .doc-contact {
  list-style: none;
  margin: 0 0 1.1em;
  padding: 0;
  border-top: 1px solid var(--doc-line);
  border-left: 1px solid var(--doc-line);
}

.page-disclaimer .doc-contact li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 10px 14px;
  border-right: 1px solid var(--doc-line);
  border-bottom: 1px solid var(--doc-line);
  background: var(--slate);
}

.page-disclaimer .doc-contact-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--race);
}

.page-disclaimer .doc-contact-value {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--bone);
  word-break: break-word;
}

/* 页脚条 */
.page-disclaimer .doc-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: clamp(26px, 4vw, 46px);
  padding-top: clamp(16px, 2.4vw, 22px);
  border-top: 1px solid var(--doc-line);
}

.page-disclaimer .doc-foot-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-disclaimer .doc-foot-text a {
  color: var(--signal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .doc-foot-text a:hover,
.page-disclaimer .doc-foot-text a:focus-visible {
  color: var(--acid);
}

/* 中等屏 */
@media (min-width: 640px) {
  .page-disclaimer .fact-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-disclaimer .doc-contact li {
    grid-template-columns: 8.5em minmax(0, 1fr);
    align-items: baseline;
    gap: 12px;
  }
}

/* 桌面双栏 */
@media (min-width: 900px) {
  .page-disclaimer .doc-layout {
    grid-template-columns: minmax(228px, 300px) minmax(0, 1fr);
    align-items: start;
  }

  .page-disclaimer .doc-index {
    position: sticky;
    top: 88px;
  }

  .page-disclaimer .doc-index ol {
    display: block;
    overflow: visible;
  }

  .page-disclaimer .doc-index a {
    white-space: normal;
    padding: 11px 16px;
    border-right: 0;
    border-bottom: 1px solid var(--doc-line-soft);
  }

  .page-disclaimer .doc-index li:last-child a {
    border-bottom: 0;
  }

  .page-disclaimer .clause > summary {
    gap: 18px;
  }

  .page-disclaimer .clause-body {
    padding-left: 2px;
  }
}

@media (min-width: 1100px) {
  .page-disclaimer .doc-body {
    padding-right: clamp(0px, 3vw, 40px);
  }
}

/* 减少动态 */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause > summary,
  .page-disclaimer .clause-cue,
  .page-disclaimer .clause-title,
  .page-disclaimer .doc-index a {
    transition: none;
  }
}
</main>