.page-disclaimer {
  --dc-text-width: 36em;
  --dc-indent: 2.5rem;
  --dc-hairline: 1px solid var(--line-600);
  padding-bottom: var(--gap-module);
}

.page-disclaimer .bt-crumb {
  padding-top: var(--gap-block);
}

/* ---------- Hero ---------- */
.page-disclaimer .dc-hero {
  padding: var(--gap-section) 0 var(--gap-block);
  border-bottom: var(--dc-hairline);
}

.page-disclaimer .dc-hero__title {
  margin: 12px 0 0;
  color: var(--mist-100);
  font-family: var(--font-display);
  font-size: clamp(40px, 9vw, 96px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 0.98;
}

.page-disclaimer .dc-hero__lead {
  max-width: var(--dc-text-width);
  margin-top: var(--gap-block);
  color: var(--mist-400);
  font-size: 17px;
  line-height: 1.75;
}

.page-disclaimer .dc-hero__facts {
  display: grid;
  gap: 20px;
  margin-top: var(--gap-section);
  padding-top: var(--gap-block);
  border-top: var(--dc-hairline);
}

.page-disclaimer .dc-hero__facts div {
  display: grid;
  gap: 6px;
}

.page-disclaimer .dc-hero__facts dt {
  color: var(--mist-600);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-disclaimer .dc-hero__facts dd {
  margin: 0;
  color: var(--mist-100);
  font-size: 15px;
  line-height: 1.6;
}

.page-disclaimer .dc-hero__facts a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 208, 0.35);
  transition: color 160ms ease, border-color 160ms ease;
}

.page-disclaimer .dc-hero__facts a:hover,
.page-disclaimer .dc-hero__facts a:focus-visible {
  color: var(--mist-100);
  border-bottom-color: var(--mist-100);
}

/* ---------- 锚点目录 ---------- */
.page-disclaimer .dc-toc {
  margin-top: var(--gap-section);
  border: var(--dc-hairline);
  border-radius: var(--radius-m);
  background: var(--pitch-800);
}

.page-disclaimer .dc-toc > summary {
  padding: 18px 22px;
  color: var(--mist-100);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .dc-toc > summary::after {
  content: "＋";
  float: right;
  color: var(--cyan-400);
  font-family: var(--font-mono);
}

.page-disclaimer .dc-toc[open] > summary::after {
  content: "－";
}

.page-disclaimer .dc-toc ol {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0 22px 22px;
  list-style: none;
  counter-reset: dctoc;
}

.page-disclaimer .dc-toc li {
  counter-increment: dctoc;
  border-top: 1px solid rgba(35, 72, 60, 0.6);
}

.page-disclaimer .dc-toc li:first-child {
  border-top: 0;
}

.page-disclaimer .dc-toc a {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 12px 0;
  color: var(--mist-400);
  font-size: 15px;
  text-decoration: none;
  transition: color 160ms ease, padding-left 160ms ease;
}

.page-disclaimer .dc-toc a::before {
  content: counter(dctoc, decimal-leading-zero);
  color: var(--mist-600);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.page-disclaimer .dc-toc a:hover,
.page-disclaimer .dc-toc a:focus-visible {
  color: var(--cyan-400);
  padding-left: 6px;
}

/* ---------- 条款正文 ---------- */
.page-disclaimer .dc-body {
  margin-top: var(--gap-module);
}

.page-disclaimer .dc-clause {
  padding: var(--gap-section) 0;
  border-top: var(--dc-hairline);
}

.page-disclaimer .dc-clause:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .dc-clause__head {
  display: flex;
  gap: 16px;
  align-items: baseline;
  margin: 0 0 var(--gap-block);
  color: var(--mist-100);
  font-family: var(--font-display);
  font-size: clamp(24px, 5.2vw, 34px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

.page-disclaimer .dc-clause__no {
  flex: none;
  color: var(--cyan-400);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .dc-clause__text {
  max-width: var(--dc-text-width);
  color: var(--mist-400);
  font-size: 16px;
  line-height: 1.85;
}

.page-disclaimer .dc-clause__text p {
  margin: 0 0 18px;
}

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

.page-disclaimer .dc-clause__text a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 208, 0.35);
  transition: color 160ms ease, border-color 160ms ease;
}

.page-disclaimer .dc-clause__text a:hover,
.page-disclaimer .dc-clause__text a:focus-visible {
  color: var(--mist-100);
  border-bottom-color: var(--mist-100);
}

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

.page-disclaimer .dc-list li {
  position: relative;
  padding: 10px 0 10px 22px;
  border-top: 1px solid rgba(35, 72, 60, 0.6);
}

.page-disclaimer .dc-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .dc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 8px;
  height: 1px;
  background: var(--cyan-400);
}

.page-disclaimer .dc-list li:first-child::before {
  top: 10px;
}

/* ---------- 引用规则强调块 ---------- */
.page-disclaimer .dc-rule {
  margin: 26px 0;
  padding: 22px 0 22px 22px;
  border-left: 2px solid var(--cyan-400);
  background: linear-gradient(90deg, rgba(53, 242, 208, 0.07), rgba(53, 242, 208, 0));
}

.page-disclaimer .dc-rule__tag {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--cyan-400);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
}

.page-disclaimer .dc-rule ul {
  margin: 0;
  padding-left: 1.1em;
  color: var(--mist-100);
  font-size: 15px;
  line-height: 1.8;
}

.page-disclaimer .dc-rule li {
  margin-bottom: 6px;
}

.page-disclaimer .dc-rule li:last-child {
  margin-bottom: 0;
}

/* ---------- 视觉断点 ---------- */
.page-disclaimer .dc-break {
  margin: var(--gap-module) 0 0;
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--pitch-700);
}

.page-disclaimer .dc-break img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  filter: saturate(0.7) contrast(1.05);
}

.page-disclaimer .dc-break figcaption {
  padding: 14px 20px;
  color: var(--mist-600);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  border-top: var(--dc-hairline);
}

/* ---------- 邮箱复制 ---------- */
.page-disclaimer .dc-mail {
  display: inline;
  margin: 0 2px;
  padding: 0 2px 1px;
  border: 0;
  border-bottom: 1px dashed rgba(53, 242, 208, 0.6);
  background: transparent;
  color: var(--cyan-400);
  font: inherit;
  cursor: pointer;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-disclaimer .dc-mail:hover,
.page-disclaimer .dc-mail:focus-visible {
  color: var(--mist-100);
  border-bottom-color: var(--mist-100);
}

.page-disclaimer .dc-mail[data-copied] {
  color: var(--amber-500);
  border-bottom-color: var(--amber-500);
}

/* ---------- 结尾链接带 ---------- */
.page-disclaimer .dc-endbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: var(--gap-module);
  padding-top: var(--gap-block);
  border-top: 1px solid var(--line-600);
}

.page-disclaimer .dc-endbar__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 22px;
  border: 1px solid var(--line-600);
  border-radius: 999px;
  color: var(--mist-100);
  font-size: 15px;
  text-decoration: none;
  transition: border-color 160ms ease, color 160ms ease, background-color 160ms ease;
}

.page-disclaimer .dc-endbar__link:hover,
.page-disclaimer .dc-endbar__link:focus-visible {
  border-color: var(--cyan-400);
  color: var(--cyan-400);
}

.page-disclaimer .dc-endbar__link--accent {
  border-color: transparent;
  background: var(--cyan-400);
  color: var(--pitch-900);
  font-weight: 700;
}

.page-disclaimer .dc-endbar__link--accent:hover,
.page-disclaimer .dc-endbar__link--accent:focus-visible {
  background: var(--mist-100);
  color: var(--pitch-900);
}

/* ---------- 焦点环 ---------- */
.page-disclaimer a:focus-visible,
.page-disclaimer button:focus-visible,
.page-disclaimer summary:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .dc-hero__facts {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }

  .page-disclaimer .dc-toc ol {
    grid-template-columns: repeat(2, 1fr);
    column-gap: 40px;
  }

  .page-disclaimer .dc-toc li:nth-child(2) {
    border-top: 0;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .dc-clause {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    column-gap: var(--gap-section);
    align-items: start;
  }

  .page-disclaimer .dc-clause__head {
    margin-bottom: 0;
    font-size: 26px;
    position: sticky;
    top: 120px;
  }

  .page-disclaimer .dc-clause__text {
    padding-left: var(--dc-indent);
    border-left: var(--dc-hairline);
  }

  .page-disclaimer .dc-clause--last .dc-clause__text {
    border-left-color: var(--cyan-400);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer *,
  .page-disclaimer *::before,
  .page-disclaimer *::after {
    transition-duration: 0ms !important;
  }
}