.page-disclaimer {
  --dc-hair: 1px solid var(--line-700);
  background: var(--base-900);
  color: var(--archive-050);
}

/* ---------- 页头 ---------- */
.page-disclaimer .dc-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(22px, 3.5vw, 40px);
  border-bottom: var(--dc-hair);
  background:
    radial-gradient(90% 130% at 88% 0%, rgba(66, 245, 209, 0.16), transparent 58%),
    linear-gradient(180deg, var(--layer-800) 0%, var(--base-900) 80%);
}

.page-disclaimer .dc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(22, 74, 61, 0.55) 0 1px, transparent 1px 76px);
  opacity: 0.5;
  pointer-events: none;
}

.page-disclaimer .dc-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-disclaimer .dc-hero__eyebrow {
  margin: clamp(20px, 3.5vw, 36px) 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--signal-400);
}

.page-disclaimer .dc-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.95rem, 6.2vw, 4.2rem);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--archive-050);
  overflow-wrap: break-word;
}

.page-disclaimer .dc-hero__lede {
  margin: 20px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--mist-200);
}

.page-disclaimer .dc-hero__figure {
  position: relative;
  margin: clamp(28px, 5vw, 52px) 0 0;
  border-top: var(--dc-hair);
  overflow: hidden;
}

.page-disclaimer .dc-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(0deg, transparent 0 5px, rgba(6, 23, 19, 0.28) 5px 6px);
  pointer-events: none;
}

.page-disclaimer .dc-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-disclaimer .dc-hero__cap {
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 1;
  margin: 0;
  padding: 8px 12px;
  max-width: min(100%, 400px);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.06em;
  color: var(--mist-200);
  background: rgba(6, 23, 19, 0.8);
  border-top: 1px solid var(--line-700);
  border-left: 1px solid var(--line-700);
}

/* ---------- 章节索引条 ---------- */
.page-disclaimer .dc-toc {
  background: var(--layer-800);
  border-bottom: var(--dc-hair);
}

.page-disclaimer .dc-toc__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  padding-top: 15px;
  padding-bottom: 15px;
}

.page-disclaimer .dc-toc__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--index-600);
}

.page-disclaimer .dc-toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dc-toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding-bottom: 3px;
  font-size: 14px;
  color: rgba(234, 242, 238, 0.82);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .dc-toc__link .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--signal-400);
}

.page-disclaimer .dc-toc__link:hover {
  color: var(--signal-400);
  border-bottom-color: var(--signal-400);
}

.page-disclaimer .dc-toc__link:focus-visible {
  outline: 2px solid var(--focus-300);
  outline-offset: 3px;
}

/* ---------- 主体栅格 ---------- */
.page-disclaimer .dc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(34px, 6vw, 56px);
  padding-top: clamp(38px, 6vw, 72px);
  padding-bottom: clamp(46px, 7vw, 88px);
}

/* ---------- 正文章节 ---------- */
.page-disclaimer .dc-sec {
  scroll-margin-top: calc(var(--head-h) + 24px);
  margin-top: clamp(26px, 4vw, 42px);
  padding-top: clamp(26px, 4vw, 42px);
  border-top: var(--dc-hair);
}

.page-disclaimer .dc-doc > .dc-sec:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-disclaimer .dc-sec__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 14px;
}

.page-disclaimer .dc-sec__num {
  flex: none;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.2;
  letter-spacing: 0.14em;
  color: var(--signal-400);
  background: rgba(66, 245, 209, 0.06);
  border: 1px solid var(--line-700);
}

.page-disclaimer .dc-sec h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3.4vw, 1.8rem);
  line-height: 1.28;
  letter-spacing: -0.005em;
  color: var(--archive-050);
}

.page-disclaimer .dc-sec__sum {
  margin: 16px 0 0;
  padding-left: 16px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist-200);
  border-left: 2px solid var(--round-500);
}

.page-disclaimer .dc-sec p {
  margin: 15px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(234, 242, 238, 0.84);
}

/* ---------- 强调约定块 ---------- */
.page-disclaimer .dc-callout {
  margin: 22px 0 0;
  padding: 18px 20px 20px;
  border-left: 3px solid var(--round-500);
  background: linear-gradient(90deg, rgba(232, 177, 74, 0.13), rgba(232, 177, 74, 0) 88%);
}

.page-disclaimer .dc-callout__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--round-500);
}

.page-disclaimer .dc-callout__list {
  display: grid;
  gap: 10px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dc-callout__list li {
  position: relative;
  padding-left: 18px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(234, 242, 238, 0.86);
}

.page-disclaimer .dc-callout__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--round-500);
}

/* ---------- 可展开的修订条目 ---------- */
.page-disclaimer .dc-details {
  margin: 14px 0 0;
  border: var(--dc-hair);
  background: rgba(12, 42, 35, 0.55);
}

.page-disclaimer .dc-details summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--archive-050);
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .dc-details summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--signal-400);
}

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

.page-disclaimer .dc-details summary:focus-visible {
  outline: 2px solid var(--focus-300);
  outline-offset: -2px;
}

.page-disclaimer .dc-details__body {
  padding: 14px 16px 16px;
  border-top: var(--dc-hair);
}

.page-disclaimer .dc-details__body p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(234, 242, 238, 0.8);
}

/* ---------- 侧栏 ---------- */
.page-disclaimer .dc-aside {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-disclaimer .dc-side-card {
  padding: 20px;
  background: var(--layer-800);
  border: var(--dc-hair);
}

.page-disclaimer .dc-side-card__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--index-600);
}

.page-disclaimer .dc-side-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dc-side-list a {
  display: block;
  padding-left: 14px;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--mist-200);
  text-decoration: none;
  border-left: 1px solid var(--line-700);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-disclaimer .dc-side-list a:hover {
  color: var(--signal-400);
  border-left-color: var(--signal-400);
  transform: translateX(2px);
}

.page-disclaimer .dc-side-list a:focus-visible {
  outline: 2px solid var(--focus-300);
  outline-offset: 2px;
}

.page-disclaimer .dc-side-note {
  padding: 16px 18px;
  border: var(--dc-hair);
  border-left: 3px solid var(--signal-400);
  background: rgba(66, 245, 209, 0.05);
}

.page-disclaimer .dc-side-note__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--index-600);
}

.page-disclaimer .dc-side-note p {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--archive-050);
  word-break: break-all;
}

/* ---------- 页尾版本区 ---------- */
.page-disclaimer .dc-foot {
  border-top: var(--dc-hair);
  background: var(--layer-800);
}

.page-disclaimer .dc-foot__inner {
  display: grid;
  gap: 20px;
  padding-top: clamp(26px, 4vw, 42px);
  padding-bottom: clamp(26px, 4vw, 42px);
}

.page-disclaimer .dc-foot__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
}

.page-disclaimer .dc-foot__ver {
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--round-500);
  border: 1px solid rgba(232, 177, 74, 0.45);
}

.page-disclaimer .dc-foot__stage {
  font-size: 13px;
  line-height: 1.6;
  color: var(--index-600);
}

.page-disclaimer .dc-foot__anchors {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.page-disclaimer .dc-foot__anchors a {
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist-200);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-disclaimer .dc-foot__anchors a:hover {
  color: var(--signal-400);
  border-bottom-color: var(--signal-400);
}

.page-disclaimer .dc-foot__anchors a:focus-visible {
  outline: 2px solid var(--focus-300);
  outline-offset: 3px;
}

.page-disclaimer .dc-foot__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-disclaimer .dc-foot__inner {
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 32px;
  }

  .page-disclaimer .dc-foot__anchors {
    justify-content: center;
  }
}

@media (min-width: 920px) {
  .page-disclaimer .dc-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(36px, 5vw, 72px);
  }

  .page-disclaimer .dc-aside {
    position: sticky;
    top: calc(var(--head-h) + 24px);
  }
}

@media (max-width: 560px) {
  .page-disclaimer .dc-hero__cap {
    position: static;
    max-width: none;
    border-left: 0;
  }

  .page-disclaimer .dc-toc__inner {
    gap: 8px 16px;
  }

  .page-disclaimer .dc-toc__list {
    gap: 6px 14px;
  }

  .page-disclaimer .dc-toc__link {
    font-size: 13px;
  }

  .page-disclaimer .dc-sec p,
  .page-disclaimer .dc-sec__sum {
    font-size: 15px;
  }

  .page-disclaimer .dc-callout {
    padding: 16px 16px 18px;
  }

  .page-disclaimer .dc-foot__actions .btn {
    flex: 1 1 auto;
    text-align: center;
  }
}