.page-disclaimer {
  --disc-accent: var(--orange);
  --disc-pad: clamp(1.25rem, 4vw, 2.5rem);
  --disc-sec-gap: clamp(2.25rem, 5vw, 3.5rem);
}

/* ===================== 首屏 ===================== */
.page-disclaimer .disc-hero {
  position: relative;
  padding: clamp(1.75rem, 5vw, 3.5rem) 0 clamp(2.25rem, 5vw, 4rem);
  background: var(--ink);
  overflow: hidden;
}

.page-disclaimer .disc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 52px 52px;
  opacity: 0.5;
  -webkit-mask-image: radial-gradient(120% 90% at 88% 0%, #000 0%, transparent 68%);
  mask-image: radial-gradient(120% 90% at 88% 0%, #000 0%, transparent 68%);
  pointer-events: none;
}

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

.page-disclaimer .crumbs {
  font-size: 0.8rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-disclaimer .crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

.page-disclaimer .crumbs__sep {
  color: var(--grid);
}

.page-disclaimer .disc-hero__layout {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: end;
}

.page-disclaimer .disc-hero__kicker {
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-disclaimer .disc-hero__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.6rem, 11vw, 4.6rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--ivory);
  transform: skewX(-2deg);
  transform-origin: left bottom;
}

.page-disclaimer .disc-hero__lede {
  margin: clamp(1rem, 3vw, 1.5rem) 0 0;
  max-width: 44ch;
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.7vw, 1.0625rem);
  line-height: 1.8;
  color: var(--ivory);
}

.page-disclaimer .disc-hero__meta {
  display: grid;
  border-top: 1px solid var(--grid);
}

.page-disclaimer .disc-hero__meta-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--grid);
}

.page-disclaimer .disc-hero__meta-k {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
  white-space: nowrap;
}

.page-disclaimer .disc-hero__meta-v {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.82rem;
  color: var(--ivory);
  text-align: right;
  word-break: break-word;
}

.page-disclaimer .disc-hero__figure {
  margin: clamp(2rem, 5vw, 3.25rem) 0 0;
}

.page-disclaimer .disc-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border: 1px solid var(--grid);
  filter: saturate(0.65) contrast(1.06) brightness(0.92);
}

.page-disclaimer .disc-hero__figure figcaption {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  margin-top: 0.85rem;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-disclaimer .disc-hero__figline {
  flex: none;
  width: 1.75rem;
  height: 2px;
  background: var(--orange);
  transform: translateY(-0.28em);
}

/* ===================== 章节索引条 ===================== */
.page-disclaimer .disc-tocbar {
  background: var(--ink-2);
  border-top: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
}

.page-disclaimer .disc-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
}

.page-disclaimer .disc-toc__link {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.7rem clamp(0.75rem, 3vw, 1.4rem) 0.7rem 0;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: var(--muted);
  text-decoration: none;
  border-right: 1px solid var(--grid);
  padding-right: clamp(0.75rem, 3vw, 1.4rem);
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-disclaimer .disc-toc__list li + li .disc-toc__link {
  padding-left: clamp(0.75rem, 3vw, 1.4rem);
}

.page-disclaimer .disc-toc__link:hover,
.page-disclaimer .disc-toc__link:focus-visible {
  color: var(--cyan);
  background: rgba(46, 230, 200, 0.06);
}

.page-disclaimer .disc-toc__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.68rem;
  color: var(--teal);
  letter-spacing: 0.06em;
}

/* ===================== 正文双栏 ===================== */
.page-disclaimer .disc-body {
  padding: clamp(2.5rem, 6vw, 5rem) 0;
  background: var(--ink);
}

.page-disclaimer .disc-layout {
  display: grid;
  gap: clamp(2rem, 5vw, 3.25rem);
}

.page-disclaimer .disc-layout__main {
  display: flex;
  flex-direction: column;
  gap: var(--disc-sec-gap);
  min-width: 0;
}

.page-disclaimer .disc-sec {
  scroll-margin-top: 1.5rem;
  padding-top: clamp(1.25rem, 3vw, 1.85rem);
  border-top: 1px solid var(--grid);
}

.page-disclaimer .disc-sec__head {
  display: flex;
  align-items: baseline;
  gap: clamp(0.65rem, 2vw, 1.1rem);
  margin-bottom: clamp(0.85rem, 2vw, 1.15rem);
}

.page-disclaimer .disc-sec__num {
  flex: none;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
  border-bottom: 2px solid var(--orange);
  padding-bottom: 0.1em;
}

.page-disclaimer .disc-sec__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.3rem, 4vw, 1.8rem);
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--ivory);
}

.page-disclaimer .disc-sec__body {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  min-width: 0;
}

.page-disclaimer .disc-sec__body p {
  margin: 0;
  font-size: clamp(0.95rem, 1.6vw, 1.0625rem);
  line-height: 1.85;
  color: var(--ivory);
}

.page-disclaimer .disc-list {
  list-style: none;
  margin: 0.15rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-disclaimer .disc-list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: clamp(0.92rem, 1.5vw, 1rem);
  line-height: 1.8;
  color: var(--ivory);
}

.page-disclaimer .disc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 0.62rem;
  height: 1px;
  background: var(--teal);
}

.page-disclaimer .disc-limit {
  margin: 0.35rem 0 0;
  padding: 0.75rem 1rem;
  border-left: 3px solid var(--orange);
  background: linear-gradient(90deg, rgba(255, 107, 44, 0.09), rgba(58, 30, 18, 0) 78%);
  font-size: clamp(0.92rem, 1.5vw, 1rem);
  line-height: 1.85;
}

.page-disclaimer .disc-limit__mark {
  font-style: normal;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 0.06em;
}

.page-disclaimer .disc-note {
  margin: 0.35rem 0 0;
  padding-left: 0.9rem;
  border-left: 1px solid var(--grid);
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--muted);
}

/* 口径明细表 */
.page-disclaimer .disc-spec {
  margin: 0.2rem 0 0;
  border-top: 1px solid var(--grid);
}

.page-disclaimer .disc-spec__row {
  display: grid;
  gap: 0.3rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--grid);
}

.page-disclaimer .disc-spec dt {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--cyan);
}

.page-disclaimer .disc-spec dd {
  margin: 0;
  font-size: clamp(0.92rem, 1.5vw, 1rem);
  line-height: 1.8;
  color: var(--ivory);
}

/* ===================== 备注栏 ===================== */
.page-disclaimer .disc-layout__aside {
  min-width: 0;
}

.page-disclaimer .disc-rail {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.page-disclaimer .disc-rail__block {
  padding-left: 1rem;
  border-left: 2px solid var(--grid);
}

.page-disclaimer .disc-rail__block--tip {
  border-left-color: var(--orange);
  background: linear-gradient(90deg, rgba(255, 107, 44, 0.08), rgba(58, 30, 18, 0) 85%);
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

.page-disclaimer .disc-rail__head {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-disclaimer .disc-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-disclaimer .disc-rail__list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.page-disclaimer .disc-rail__v {
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  white-space: nowrap;
}

.page-disclaimer .disc-rail__text {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--ivory);
}

.page-disclaimer .disc-rail__link {
  display: inline-block;
  margin-top: 0.85rem;
  font-size: 0.82rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 230, 200, 0.38);
  padding-bottom: 0.12em;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .disc-rail__link:hover,
.page-disclaimer .disc-rail__link:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-disclaimer .disc-rail__nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-disclaimer .disc-rail__nav a {
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .disc-rail__nav a:hover,
.page-disclaimer .disc-rail__nav a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ===================== 变更记录 ===================== */
.page-disclaimer .disc-log {
  padding: clamp(2.5rem, 6vw, 5rem) 0;
  background: var(--ink-2);
  border-top: 1px solid var(--grid);
  scroll-margin-top: 1.5rem;
}

.page-disclaimer .disc-log__head {
  display: grid;
  gap: 0.85rem;
  max-width: 60ch;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.page-disclaimer .disc-log__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal);
}

.page-disclaimer .disc-log__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.6rem, 5vw, 2.35rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ivory);
  transform: skewX(-1.5deg);
  transform-origin: left bottom;
}

.page-disclaimer .disc-log__intro {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .disc-log__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-disclaimer .disc-log__tabs {
  display: flex;
  flex-wrap: wrap;
  width: fit-content;
  max-width: 100%;
  border: 1px solid var(--grid);
  margin-bottom: clamp(1.25rem, 3vw, 1.75rem);
}

.page-disclaimer .disc-log__tab {
  padding: 0.55rem clamp(0.85rem, 3vw, 1.25rem);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  cursor: pointer;
  border-right: 1px solid var(--grid);
  user-select: none;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-disclaimer .disc-log__tab:last-child {
  border-right: 0;
}

.page-disclaimer .disc-log__tab:hover {
  color: var(--cyan);
  background: rgba(46, 230, 200, 0.06);
}

.page-disclaimer .disc-log:has(#disc-log-all:checked) .disc-log__tab[for="disc-log-all"],
.page-disclaimer .disc-log:has(#disc-log-rule:checked) .disc-log__tab[for="disc-log-rule"],
.page-disclaimer .disc-log:has(#disc-log-data:checked) .disc-log__tab[for="disc-log-data"] {
  color: var(--ink);
  background: var(--cyan);
}

.page-disclaimer .disc-log__radio:focus-visible ~ .disc-log__tabs {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-disclaimer .disc-log:has(#disc-log-rule:checked) .disc-log__item:not([data-kind="rule"]) {
  display: none;
}

.page-disclaimer .disc-log:has(#disc-log-data:checked) .disc-log__item:not([data-kind="data"]) {
  display: none;
}

.page-disclaimer .disc-log__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--grid);
}

.page-disclaimer .disc-log__item {
  padding: clamp(0.9rem, 2.5vw, 1.15rem) 0;
  border-bottom: 1px solid var(--grid);
  transition: background-color 0.2s var(--ease);
}

.page-disclaimer .disc-log__item:hover {
  background: rgba(243, 241, 232, 0.025);
}

.page-disclaimer .disc-log__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.45rem;
}

.page-disclaimer .disc-log__ver {
  font-variant-numeric: tabular-nums;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-disclaimer .disc-log__tag {
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  padding: 0.16rem 0.5rem;
  border: 1px solid var(--grid);
  border-radius: 2px;
  color: var(--muted);
}

.page-disclaimer .disc-log__item[data-kind="data"] .disc-log__tag {
  color: var(--orange);
  border-color: rgba(255, 107, 44, 0.42);
}

.page-disclaimer .disc-log__text {
  margin: 0;
  font-size: clamp(0.92rem, 1.5vw, 1rem);
  line-height: 1.8;
  color: var(--ivory);
}

.page-disclaimer .disc-log__foot {
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  padding-top: clamp(1.25rem, 3vw, 1.75rem);
  border-top: 1px solid var(--grid);
  display: grid;
  gap: 1rem;
}

.page-disclaimer .disc-log__foottext {
  margin: 0;
  max-width: 62ch;
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .disc-log__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.4rem;
}

.page-disclaimer .disc-log__link {
  font-size: 0.85rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 230, 200, 0.38);
  padding-bottom: 0.14em;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .disc-log__link:hover,
.page-disclaimer .disc-log__link:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ===================== 响应式 ===================== */
@media (min-width: 640px) {
  .page-disclaimer .disc-spec__row {
    grid-template-columns: minmax(0, 12.5rem) minmax(0, 1fr);
    align-items: baseline;
    gap: 0.35rem 1.5rem;
  }

  .page-disclaimer .disc-log__item {
    display: grid;
    grid-template-columns: minmax(0, 10rem) minmax(0, 1fr);
    gap: 0.35rem 1.5rem;
    align-items: baseline;
  }

  .page-disclaimer .disc-log__meta {
    margin-bottom: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }

  .page-disclaimer .disc-log__foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .disc-hero__layout {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-disclaimer .disc-layout {
    grid-template-columns: minmax(0, 8fr) minmax(0, 3.2fr);
    gap: clamp(2.5rem, 5vw, 4rem);
  }

  .page-disclaimer .disc-sec__body {
    padding-left: clamp(0rem, 3vw, 2.4rem);
    max-width: 66ch;
  }

  .page-disclaimer .disc-layout__aside {
    position: relative;
  }

  .page-disclaimer .disc-rail {
    position: sticky;
    top: 2rem;
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .disc-hero__figure figcaption {
    justify-content: flex-end;
    max-width: 62ch;
    margin-left: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-hero__title,
  .page-disclaimer .disc-log__title {
    transform: none;
  }

  .page-disclaimer .disc-toc__link,
  .page-disclaimer .disc-rail__link,
  .page-disclaimer .disc-log__link,
  .page-disclaimer .disc-log__tab,
  .page-disclaimer .disc-log__item,
  .page-disclaimer .crumbs a {
    transition: none;
  }
}

/* ===================== 打印 ===================== */
@media print {
  .page-disclaimer .disc-hero::before,
  .page-disclaimer .disc-hero__figline {
    display: none;
  }

  .page-disclaimer .disc-hero__title,
  .page-disclaimer .disc-log__title {
    transform: none;
    color: #000;
  }

  .page-disclaimer .disc-tocbar,
  .page-disclaimer .disc-log__tabs {
    display: none;
  }

  .page-disclaimer .disc-rail {
    position: static;
  }

  .page-disclaimer .disc-log__panel {
    break-inside: auto;
  }

  .page-disclaimer .disc-log__item,
  .page-disclaimer .disc-sec {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .page-disclaimer .disc-log__link::after,
  .page-disclaimer .disc-rail__link::after {
    content: "";
  }
}