.page-disclaimer {
  --doc-measure: 760px;
  --doc-rail: 88px;
  --doc-ink-soft: rgba(7, 26, 43, 0.72);
  --doc-ink-faint: rgba(7, 26, 43, 0.52);
  --doc-line: rgba(21, 52, 77, 0.16);
  --doc-line-soft: rgba(21, 52, 77, 0.11);
  background: var(--paper-050);
  color: var(--ink-900);
  font-family: var(--font-body);
  padding-bottom: 72px;
  overflow-x: hidden;
}

/* 面包屑 */
.page-disclaimer .breadcrumb {
  padding: 20px 0 4px;
}
.page-disclaimer .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--doc-ink-faint);
}
.page-disclaimer .breadcrumb__link {
  color: var(--doc-ink-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-disclaimer .breadcrumb__link:hover,
.page-disclaimer .breadcrumb__link:focus-visible {
  color: var(--ink-900);
  border-bottom-color: var(--amber-500);
}
.page-disclaimer .breadcrumb__sep {
  color: rgba(7, 26, 43, 0.3);
}
.page-disclaimer .breadcrumb__current {
  color: var(--ink-900);
}

/* 首屏 */
.page-disclaimer .doc-hero {
  padding: 22px 0 8px;
}
.page-disclaimer .doc-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}
.page-disclaimer .doc-hero__intro .mono-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--doc-ink-faint);
  margin: 0 0 12px;
}
.page-disclaimer .doc-hero__intro h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.2vw, 44px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}
.page-disclaimer .lede {
  margin: 16px 0 0;
  max-width: 32em;
  font-size: 17px;
  line-height: 1.8;
  color: var(--doc-ink-soft);
}

.page-disclaimer .doc-hero__facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--doc-line);
  display: grid;
  gap: 12px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--doc-ink-soft);
}
.page-disclaimer .doc-hero__facts li {
  display: grid;
  gap: 3px;
}
.page-disclaimer .doc-hero__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--doc-ink-faint);
}

/* 目录 */
.page-disclaimer .doc-toc {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 22px 18px 20px;
}
.page-disclaimer .doc-toc::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 68px;
  height: 68px;
  border-top: 2px solid var(--amber-500);
  border-left: 2px solid var(--amber-500);
  border-top-left-radius: var(--radius-lg);
  pointer-events: none;
}
.page-disclaimer .doc-toc__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber-300);
}
.page-disclaimer .doc-toc__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-disclaimer .doc-toc__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 10px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.84);
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-disclaimer .doc-toc__link:hover,
.page-disclaimer .doc-toc__link:focus-visible {
  background: rgba(255, 255, 255, 0.09);
  color: var(--white);
  outline: none;
}
.page-disclaimer .doc-toc__link:focus-visible {
  box-shadow: 0 0 0 2px var(--ink-900), 0 0 0 4px var(--amber-500);
}
.page-disclaimer .doc-toc__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--amber-500);
}
.page-disclaimer .doc-toc__note {
  margin: 16px 10px 0;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
}

/* 首图 */
.page-disclaimer .doc-figure {
  position: relative;
  margin: 30px 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
}
.page-disclaimer .doc-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-disclaimer .doc-figure__cap {
  position: absolute;
  left: 16px;
  bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.72);
}

/* 条款正文 */
.page-disclaimer .doc-body {
  padding: 44px 0 12px;
}
.page-disclaimer .doc-sheet {
  max-width: 100%;
}

.page-disclaimer .doc-clause {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 26px 0 24px;
  border-top: 1px solid var(--doc-line);
  scroll-margin-top: 96px;
  transition: background var(--dur) var(--ease);
}
.page-disclaimer .doc-clause:first-child {
  border-top: none;
  padding-top: 4px;
}
.page-disclaimer .doc-clause:target {
  background: linear-gradient(90deg, rgba(242, 169, 59, 0.16), rgba(242, 169, 59, 0) 68%);
  box-shadow: inset 3px 0 0 var(--amber-500);
}
.page-disclaimer .doc-clause__kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--doc-ink-faint);
}
.page-disclaimer .doc-clause__kicker::after {
  content: "";
  display: block;
  width: 34px;
  height: 2px;
  margin-top: 8px;
  background: var(--amber-500);
  border-radius: var(--radius-pill);
}
.page-disclaimer .doc-clause__main h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 3.4vw, 27px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}
.page-disclaimer .doc-clause__text p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--doc-ink-soft);
}
.page-disclaimer .doc-clause__text p:last-child {
  margin-bottom: 0;
}
.page-disclaimer .doc-clause__text a {
  color: var(--ink-900);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 2px solid var(--amber-500);
  padding-bottom: 1px;
  transition: background var(--dur) var(--ease);
}
.page-disclaimer .doc-clause__text a:hover,
.page-disclaimer .doc-clause__text a:focus-visible {
  background: rgba(242, 169, 59, 0.26);
  outline: none;
}
.page-disclaimer .doc-clause__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: rgba(7, 26, 43, 0.34);
}

/* 列表 */
.page-disclaimer .doc-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-disclaimer .doc-list li {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--doc-ink-soft);
}
.page-disclaimer .doc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--amber-500);
}

/* 折叠步骤 */
.page-disclaimer .doc-details {
  margin: 4px 0 18px;
  background: rgba(12, 36, 56, 0.055);
  border: 1px solid var(--doc-line-soft);
  border-radius: var(--radius-md);
  padding: 0 16px;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-disclaimer .doc-details:hover {
  border-color: rgba(21, 52, 77, 0.26);
}
.page-disclaimer .doc-details[open] {
  padding-bottom: 16px;
  background: rgba(12, 36, 56, 0.075);
}
.page-disclaimer .doc-details__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-800);
}
.page-disclaimer .doc-details__summary::-webkit-details-marker {
  display: none;
}
.page-disclaimer .doc-details__summary::before {
  content: "+";
  flex: none;
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-pill);
  background: rgba(242, 169, 59, 0.28);
  color: var(--ink-900);
  font-size: 14px;
  line-height: 1;
}
.page-disclaimer .doc-details[open] .doc-details__summary::before {
  content: "−";
  background: var(--amber-500);
}
.page-disclaimer .doc-details__summary:focus-visible {
  outline: 2px solid var(--amber-500);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
.page-disclaimer .doc-steps {
  list-style: none;
  counter-reset: step;
  margin: 2px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-disclaimer .doc-steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 15px;
  line-height: 1.75;
  color: var(--doc-ink-soft);
}
.page-disclaimer .doc-steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-align: center;
  padding: 4px 0;
  border-radius: var(--radius-pill);
  background: rgba(242, 169, 59, 0.3);
  color: var(--ink-900);
}

/* 邮箱卡 */
.page-disclaimer .doc-mail {
  margin: 20px 0 4px;
  padding: 18px 18px 20px;
  border-radius: var(--radius-md);
  background: var(--ink-900);
  color: var(--white);
  border-left: 3px solid var(--amber-500);
  display: grid;
  gap: 6px;
}
.page-disclaimer .doc-mail__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.58);
}
.page-disclaimer .doc-mail__addr {
  font-family: var(--font-mono);
  font-size: clamp(14px, 3.4vw, 18px);
  line-height: 1.5;
  color: var(--amber-300);
  text-decoration: none;
  word-break: break-all;
  user-select: all;
  -webkit-user-select: all;
  border-bottom: 1px solid rgba(255, 210, 122, 0.4);
  justify-self: start;
  max-width: 100%;
}
.page-disclaimer .doc-mail__addr:hover,
.page-disclaimer .doc-mail__addr:focus-visible {
  color: var(--white);
  border-bottom-color: var(--amber-500);
  outline: none;
}
.page-disclaimer .doc-mail__hint {
  margin: 2px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.62);
}

/* 页尾行动 */
.page-disclaimer .doc-foot {
  margin-top: 40px;
  padding: 26px 22px;
  border-radius: var(--radius-lg);
  background: var(--ink-900);
  color: var(--white);
  display: grid;
  gap: 22px;
  border-top: 3px solid var(--amber-500);
}
.page-disclaimer .doc-foot__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber-300);
}
.page-disclaimer .doc-foot__text h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 3.6vw, 26px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-disclaimer .doc-foot__text p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.72);
}
.page-disclaimer .doc-foot__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-disclaimer .doc-foot__actions .btn {
  flex: 1 1 auto;
  text-align: center;
  min-width: 132px;
}
.page-disclaimer .doc-foot__actions .btn--ghost {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.34);
}
.page-disclaimer .doc-foot__actions .btn--ghost:hover,
.page-disclaimer .doc-foot__actions .btn--ghost:focus-visible {
  color: var(--amber-300);
  border-color: var(--amber-300);
}

/* 中屏 */
@media (min-width: 720px) {
  .page-disclaimer .doc-hero {
    padding-top: 28px;
  }
  .page-disclaimer .doc-toc {
    padding: 24px 24px 22px;
  }
  .page-disclaimer .doc-body {
    padding-top: 52px;
  }
  .page-disclaimer .doc-clause {
    padding: 30px 0 28px;
  }
  .page-disclaimer .doc-mail {
    padding: 22px 24px 24px;
  }
  .page-disclaimer .doc-foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
    padding: 30px 32px;
  }
  .page-disclaimer .doc-foot__actions {
    flex-wrap: nowrap;
  }
}

/* 桌面：非对称文档与右侧条款编号轨道 */
@media (min-width: 960px) {
  .page-disclaimer .doc-hero__grid {
    grid-template-columns: minmax(0, 1fr) 316px;
    gap: 48px;
    align-items: start;
  }
  .page-disclaimer .doc-figure {
    margin-top: 36px;
  }
  .page-disclaimer .doc-sheet {
    max-width: calc(var(--doc-measure) + 32px + var(--doc-rail));
  }
  .page-disclaimer .doc-clause {
    grid-template-columns: minmax(0, var(--doc-measure)) var(--doc-rail);
    column-gap: 32px;
    align-items: start;
  }
  .page-disclaimer .doc-clause__main {
    grid-column: 1;
  }
  .page-disclaimer .doc-clause__num {
    grid-column: 2;
    order: 2;
    justify-self: start;
    padding: 6px 0 0 16px;
    border-left: 1px solid var(--doc-line);
    font-size: 13px;
  }
  .page-disclaimer .doc-foot {
    margin-top: 48px;
  }
}

@media (min-width: 1200px) {
  .page-disclaimer .doc-hero__grid {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 56px;
  }
  .page-disclaimer .doc-toc {
    position: sticky;
    top: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .breadcrumb__link,
  .page-disclaimer .doc-toc__link,
  .page-disclaimer .doc-clause,
  .page-disclaimer .doc-details,
  .page-disclaimer .doc-clause__text a {
    transition: none;
  }
}