.page-disclaimer {
  --dl-narrow: 42rem;
  --dl-gap: clamp(18px, 3.4vw, 40px);
  position: relative;
  color: var(--text);
  background-color: var(--ink);
  background-image:
    radial-gradient(120% 78% at 102% -6%, rgba(59, 123, 255, .16), transparent 62%),
    radial-gradient(90% 62% at -8% 6%, rgba(53, 230, 214, .09), transparent 58%);
  background-repeat: no-repeat;
  padding-bottom: clamp(48px, 9vw, 120px);
  overflow-wrap: break-word;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dl-hero {
  padding-top: clamp(22px, 4.4vw, 46px);
  padding-bottom: clamp(28px, 5vw, 60px);
}

.page-disclaimer .dl-hero__grid {
  display: grid;
  gap: var(--dl-gap);
  min-width: 0;
}

.page-disclaimer .dl-hero__grid > * {
  min-width: 0;
}

.page-disclaimer .dl-hero__title {
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.04;
  font-size: clamp(2.3rem, 7.6vw, 4.6rem);
  margin: 0.34em 0 0.38em;
}

.page-disclaimer .dl-hero__sub {
  max-width: var(--dl-narrow);
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-size: clamp(1rem, 1.4vw, 1.075rem);
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .dl-hero__ticks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px clamp(14px, 2.4vw, 28px);
}

.page-disclaimer .dl-hero__ticks a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding-bottom: 4px;
  font-size: 0.95rem;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-disclaimer .dl-hero__ticks a .mono {
  font-size: 0.78rem;
  color: var(--cyan);
}

.page-disclaimer .dl-hero__ticks a:hover,
.page-disclaimer .dl-hero__ticks a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-disclaimer .dl-hero__figure {
  margin: 0;
}

/* ---------- 索引与章节骨架 ---------- */
.page-disclaimer .dl-body {
  padding-top: clamp(10px, 2vw, 24px);
}

.page-disclaimer .dl-body__grid {
  display: grid;
  gap: clamp(24px, 4vw, 56px);
  min-width: 0;
}

.page-disclaimer .dl-index {
  min-width: 0;
}

.page-disclaimer .dl-index__key {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.page-disclaimer .dl-index__list a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 7px 12px;
  font-size: 0.92rem;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .dl-index__list a .mono {
  font-size: 0.72rem;
  color: var(--blue);
}

.page-disclaimer .dl-index__list a:hover,
.page-disclaimer .dl-index__list a:focus-visible {
  color: var(--text);
  border-color: var(--blue);
}

.page-disclaimer .dl-index__list a[aria-current="true"],
.page-disclaimer .dl-index__list a[aria-current="page"] {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-disclaimer .dl-index__list a[aria-current="true"] .mono,
.page-disclaimer .dl-index__list a[aria-current="page"] .mono {
  color: var(--cyan);
}

.page-disclaimer .dl-index__note {
  margin: 16px 0 0;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 章节 ---------- */
.page-disclaimer .dl-chapter {
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
  padding: clamp(28px, 5vw, 56px) 0 clamp(32px, 6vw, 72px);
  border-top: 1px solid var(--line);
  min-width: 0;
}

.page-disclaimer .dl-chapter__head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.page-disclaimer .dl-chapter__num {
  font-size: clamp(1.4rem, 3.4vw, 2.2rem);
  letter-spacing: 0.06em;
  color: var(--blue);
}

.page-disclaimer .dl-chapter__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 300;
  font-size: clamp(1.5rem, 4.4vw, 2.5rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-disclaimer .dl-chapter__body {
  max-width: var(--dl-narrow);
  min-width: 0;
}

.page-disclaimer .dl-chapter__body > p {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text);
}

.page-disclaimer .dl-chapter__body a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid var(--blue);
}

.page-disclaimer .dl-chapter__body a:hover,
.page-disclaimer .dl-chapter__body a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-disclaimer .dl-rules {
  list-style: none;
  margin: 0 0 clamp(14px, 2vw, 20px);
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .dl-rules li {
  position: relative;
  padding-left: 24px;
  font-size: 0.97rem;
  line-height: 1.8;
  color: var(--text);
}

.page-disclaimer .dl-rules li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 12px;
  height: 1px;
  background: var(--cyan);
}

.page-disclaimer .dl-rules--warn li::before {
  background: var(--amber);
}

.page-disclaimer .dl-rules strong {
  font-weight: 600;
  color: var(--text);
}

/* ---------- 暖纸提示板 ---------- */
.page-disclaimer .dl-note {
  margin: clamp(20px, 3.4vw, 32px) 0 0;
  padding: clamp(16px, 3vw, 26px) clamp(16px, 3vw, 28px);
  background: var(--paper);
  color: var(--deck);
  border-left: 3px solid var(--amber);
  box-shadow: var(--shadow-soft);
}

.page-disclaimer .dl-note__summary {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  cursor: pointer;
}

.page-disclaimer .dl-note__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .dl-note__tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  padding: 3px 8px;
  background: var(--deck);
  color: var(--paper);
}

.page-disclaimer .dl-note__q {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.02rem, 1.7vw, 1.18rem);
  letter-spacing: -0.01em;
}

.page-disclaimer .dl-note__summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1rem;
  opacity: 0.55;
}

.page-disclaimer .dl-note[open] .dl-note__summary::after {
  content: "－";
}

.page-disclaimer .dl-note__summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

.page-disclaimer .dl-note__body {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(26, 18, 51, 0.22);
}

.page-disclaimer .dl-note__body p {
  margin: 0 0 12px;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--deck);
}

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

.page-disclaimer .dl-note__body strong {
  font-weight: 600;
}

.page-disclaimer .dl-note a {
  color: var(--deck);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--deck);
}

.page-disclaimer .dl-note a:hover,
.page-disclaimer .dl-note a:focus-visible {
  color: #0a0a14;
  border-color: #0a0a14;
}

/* ---------- 收尾 ---------- */
.page-disclaimer .dl-help {
  margin-top: clamp(28px, 5vw, 56px);
  padding-top: clamp(30px, 5vw, 60px);
  border-top: 1px solid var(--line);
}

.page-disclaimer .dl-help__grid {
  display: grid;
  gap: clamp(24px, 4vw, 56px);
  min-width: 0;
}

.page-disclaimer .dl-help h2 {
  margin: 0.3em 0 0.5em;
  font-family: var(--font-head);
  font-weight: 300;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.page-disclaimer .dl-help p {
  max-width: var(--dl-narrow);
  margin: 0;
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .dl-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  align-content: start;
}

.page-disclaimer .dl-links li {
  background: var(--ink);
}

.page-disclaimer .dl-links a {
  display: block;
  padding: 14px 18px;
  font-size: 0.95rem;
  color: var(--text);
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-disclaimer .dl-links a:hover,
.page-disclaimer .dl-links a:focus-visible {
  background: var(--deck);
  color: var(--cyan);
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 880px) {
  .page-disclaimer .dl-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
  }

  .page-disclaimer .dl-hero__figure {
    margin-top: clamp(24px, 4vw, 64px);
  }

  .page-disclaimer .dl-body__grid {
    grid-template-columns: minmax(172px, 210px) minmax(0, 1fr);
    column-gap: clamp(28px, 4vw, 64px);
  }

  .page-disclaimer .dl-index {
    position: sticky;
    top: calc(var(--rail-top) + 26px);
    align-self: start;
  }

  .page-disclaimer .dl-index__list {
    display: grid;
    gap: 0;
  }

  .page-disclaimer .dl-index__list a {
    border: 0;
    border-bottom: 1px solid var(--line);
    padding: 9px 0;
  }

  .page-disclaimer .dl-chapter {
    grid-template-columns: minmax(0, 20rem) minmax(0, 1fr);
    column-gap: clamp(26px, 4vw, 68px);
  }

  .page-disclaimer .dl-chapter__head {
    position: sticky;
    top: calc(var(--rail-top) + 26px);
    align-self: start;
  }

  .page-disclaimer .dl-help__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 1240px) {
  .page-disclaimer .dl-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer *,
  .page-disclaimer *::before,
  .page-disclaimer *::after {
    transition: none !important;
    animation: none !important;
  }
}