.page-disclaimer,
.page-disclaimer * {
  box-sizing: border-box;
}

.page-disclaimer {
  --doc-ink: #17241F;
  --doc-body: #22302A;
  --doc-muted: #55635D;
  --doc-rule: rgba(10, 20, 17, 0.16);
  --doc-signal: #0C7561;
  --doc-pace: #BF4A11;
  --doc-soft: rgba(10, 20, 17, 0.035);
  background: var(--ink);
  color: var(--text);
}

/* ---------- 标题区 ---------- */
.page-disclaimer .doc-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 4vw, 30px) var(--gutter) clamp(34px, 5vw, 58px);
  border-bottom: 1px solid var(--hair);
  background-color: var(--ink);
  background-image: repeating-linear-gradient(
    90deg,
    rgba(44, 232, 196, 0.075) 0 1px,
    transparent 1px 76px
  );
}

.page-disclaimer .doc-hero .crumb {
  max-width: var(--maxw);
  margin: 0 auto clamp(20px, 3vw, 32px);
}

.page-disclaimer .doc-hero .crumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: rgba(233, 239, 234, 0.62);
}

.page-disclaimer .doc-hero .crumb li + li::before {
  content: "/";
  margin-right: 6px;
  opacity: 0.5;
}

.page-disclaimer .doc-hero .crumb a {
  color: inherit;
  text-decoration: none;
  transition: color 120ms linear;
}

.page-disclaimer .doc-hero .crumb a:hover,
.page-disclaimer .doc-hero .crumb a:focus-visible {
  color: var(--signal);
}

.page-disclaimer .doc-hero__grid {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  gap: clamp(22px, 4vw, 44px);
}

.page-disclaimer .doc-hero__body {
  min-width: 0;
}

.page-disclaimer .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--signal);
}

.page-disclaimer .eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
}

.page-disclaimer .doc-hero h1 {
  margin: 0 0 16px;
  max-width: 15em;
  font-size: clamp(30px, 6vw, 56px);
  font-weight: 900;
  line-height: 1.07;
  letter-spacing: -0.02em;
}

.page-disclaimer .doc-hero__lead {
  margin: 0;
  max-width: 40em;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.68;
  color: rgba(233, 239, 234, 0.82);
}

.page-disclaimer .doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--hair);
}

.page-disclaimer .doc-meta li {
  position: relative;
  min-width: 0;
  padding-left: 13px;
  font-size: 12px;
  line-height: 1.5;
}

.page-disclaimer .doc-meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 5px;
  height: 5px;
  background: var(--pace);
}

.page-disclaimer .doc-meta__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: rgba(233, 239, 234, 0.5);
}

.page-disclaimer .doc-meta__v {
  display: block;
  margin-top: 3px;
  color: var(--text);
  letter-spacing: 0.02em;
}

.page-disclaimer .doc-meta__v.mono {
  color: var(--signal);
}

.page-disclaimer .doc-hero__figure {
  margin: 0;
  min-width: 0;
}

.page-disclaimer .doc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--hair);
}

/* ---------- 文档主体 ---------- */
.page-disclaimer .doc {
  background: var(--paper);
  color: var(--doc-body);
  padding: clamp(32px, 5vw, 68px) var(--gutter) clamp(44px, 7vw, 88px);
}

.page-disclaimer .doc__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  gap: clamp(26px, 4vw, 40px);
}

.page-disclaimer .doc__body {
  min-width: 0;
}

.page-disclaimer .doc a {
  color: var(--doc-signal);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 120ms linear;
}

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

/* ---------- 条款 ---------- */
.page-disclaimer .clause {
  scroll-margin-top: calc(var(--bar-h) + 26px);
}

.page-disclaimer .clause + .clause {
  margin-top: clamp(26px, 3.4vw, 44px);
  padding-top: clamp(26px, 3.4vw, 44px);
  border-top: 1px solid var(--doc-rule);
}

.page-disclaimer .clause__title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  font-size: clamp(19px, 2.4vw, 25px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--doc-ink);
}

.page-disclaimer .clause__title::after {
  content: "";
  flex: 1 1 auto;
  min-width: 20px;
  height: 1px;
  background: var(--doc-rule);
}

.page-disclaimer .clause__num {
  flex: none;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--doc-signal);
}

.page-disclaimer .clause:target .clause__num {
  color: var(--doc-pace);
}

.page-disclaimer .clause__text {
  flex: none;
}

.page-disclaimer .clause p {
  margin: 0 0 12px;
  max-width: 68ch;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.74;
  color: var(--doc-body);
}

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

/* ---------- 折叠块 ---------- */
.page-disclaimer .clause details {
  margin-top: 16px;
  border: 1px solid var(--doc-rule);
  background: var(--doc-soft);
}

.page-disclaimer .clause summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--doc-ink);
  transition: color 120ms linear;
}

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

.page-disclaimer .clause summary::after {
  content: "+";
  flex: none;
  font-size: 15px;
  line-height: 1;
  color: var(--doc-signal);
}

.page-disclaimer .clause details[open] summary::after {
  content: "−";
}

.page-disclaimer .clause summary:hover,
.page-disclaimer .clause summary:focus-visible {
  color: var(--doc-signal);
}

.page-disclaimer .clause details[open] summary {
  border-bottom: 1px solid var(--doc-rule);
}

.page-disclaimer .clause details ul {
  margin: 0;
  padding: 12px 16px 4px 32px;
  list-style: square;
}

.page-disclaimer .clause details li {
  margin-bottom: 6px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--doc-body);
}

.page-disclaimer .clause details p {
  padding: 4px 16px 14px;
  font-size: 14.5px;
}

/* ---------- 回到顶部 ---------- */
.page-disclaimer .doc__foot {
  margin-top: clamp(30px, 4vw, 48px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--doc-rule);
}

.page-disclaimer .totop {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px 10px 12px;
  border: 1px solid var(--doc-rule);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--doc-ink);
  text-decoration: none;
  transition: border-color 120ms linear, color 120ms linear, transform 120ms linear;
}

.page-disclaimer .totop__ticks {
  width: 22px;
  height: 12px;
  background-image: repeating-linear-gradient(
    90deg,
    currentColor 0 1px,
    transparent 1px 5px
  );
  opacity: 0.55;
}

.page-disclaimer .totop:hover,
.page-disclaimer .totop:focus-visible {
  border-color: var(--doc-signal);
  color: var(--doc-signal);
  transform: translateY(-2px);
}

/* ---------- 目录 ---------- */
.page-disclaimer .doc__toc-title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--doc-muted);
}

.page-disclaimer .doc__toc ol {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
}

.page-disclaimer .doc__toc a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0 7px 12px;
  border-left: 1px solid var(--doc-rule);
  color: var(--doc-muted);
  text-decoration: none;
  transition: color 120ms linear, border-color 120ms linear, padding-left 120ms linear;
}

.page-disclaimer .doc__toc a .mono {
  flex: none;
  font-size: 11px;
  color: var(--doc-signal);
  letter-spacing: 0.06em;
}

.page-disclaimer .doc__toc a:hover,
.page-disclaimer .doc__toc a:focus-visible {
  color: var(--doc-ink);
  border-left-color: var(--pace);
  padding-left: 16px;
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 880px) {
  .page-disclaimer .doc-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.8fr);
    align-items: end;
  }

  .page-disclaimer .doc-hero__figure {
    align-self: stretch;
  }

  .page-disclaimer .doc-hero__figure img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 260px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .doc__inner {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 76px);
    align-items: start;
  }

  .page-disclaimer .doc__toc {
    position: sticky;
    top: calc(var(--bar-h) + 26px);
  }
}

@media (max-width: 420px) {
  .page-disclaimer .doc-meta {
    gap: 10px 18px;
  }

  .page-disclaimer .clause__title {
    gap: 9px;
  }

  .page-disclaimer .clause__title::after {
    display: none;
  }
}