.page-disclaimer {
  --dc-hair: rgba(29, 60, 97, .9);
  --dc-dash: rgba(47, 212, 232, .32);
  display: block;
  background:
    radial-gradient(900px 420px at 88% -6%, rgba(47, 212, 232, .10), transparent 70%),
    radial-gradient(720px 420px at 4% 6%, rgba(138, 92, 255, .10), transparent 72%),
    var(--cv-deep);
  color: var(--cv-ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
}

/* ---------- 面包屑 ---------- */
.page-disclaimer .dc-crumbs-wrap {
  padding-top: clamp(1.25rem, 3vw, 2rem);
}

.page-disclaimer .crumbs {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--cv-muted);
}

.page-disclaimer .crumbs a {
  color: var(--cv-cyan);
  text-decoration: none;
}

.page-disclaimer .crumbs a:hover,
.page-disclaimer .crumbs a:focus-visible {
  text-decoration: underline;
}

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

/* ---------- 首屏 ---------- */
.page-disclaimer .dc-hero {
  padding-top: clamp(1.25rem, 3vw, 2rem);
}

.page-disclaimer .dc-hero__frame {
  position: relative;
  padding: clamp(1.5rem, 5vw, 3.25rem) clamp(1.25rem, 4vw, 3rem);
  background:
    linear-gradient(135deg, rgba(18, 49, 82, .95), rgba(6, 23, 46, .74)),
    linear-gradient(90deg, rgba(47, 212, 232, .09), transparent 58%);
  clip-path: var(--cut-poly);
}

.page-disclaimer .dc-hero__frame::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--cv-cyan), var(--cv-violet));
}

.page-disclaimer .dc-hero__kicker {
  margin: 0 0 .9rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .2em;
  color: var(--cv-cyan);
}

.page-disclaimer .dc-hero h1 {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.9rem, 5vw, 3.25rem);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--cv-ink);
}

.page-disclaimer .dc-hero__lead {
  margin: 1.25rem 0 0;
  max-width: 64ch;
  font-size: clamp(.9375rem, 1.6vw, 1.0625rem);
  line-height: 1.85;
  color: var(--cv-muted);
}

.page-disclaimer .dc-hero__meta {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
}

.page-disclaimer .dc-hero__version {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--cv-lime);
  border: 1px dashed rgba(183, 245, 71, .45);
  padding: .28rem .6rem;
}

.page-disclaimer .dc-hero__media {
  margin: clamp(1.25rem, 3vw, 2rem) 0 0;
}

.page-disclaimer .dc-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 560;
  object-fit: cover;
  clip-path: var(--cut-poly);
}

.page-disclaimer .dc-hero__cap {
  margin-top: .75rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--cv-dim);
}

/* ---------- 条目区 ---------- */
.page-disclaimer .dc-clauses {
  padding-top: clamp(2.5rem, 6vw, 4.5rem);
}

.page-disclaimer .dc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-disclaimer .dc-toc {
  border: 1px solid var(--dc-hair);
  border-left: 2px solid var(--cv-cyan);
  background: rgba(12, 38, 68, .55);
  padding: 1rem 1.1rem;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-disclaimer .dc-toc .toc__title {
  margin: 0 0 .9rem;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .2em;
  color: var(--cv-cyan);
}

.page-disclaimer .dc-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: .5rem;
  overflow-x: auto;
  padding-bottom: .3rem;
  scrollbar-width: thin;
}

.page-disclaimer .dc-toc__list li {
  flex: 0 0 auto;
}

.page-disclaimer .dc-toc__list a {
  display: flex;
  align-items: baseline;
  gap: .55rem;
  padding: .5rem .6rem;
  border-left: 2px solid transparent;
  color: var(--cv-muted);
  text-decoration: none;
  font-size: .8125rem;
  line-height: 1.45;
  white-space: nowrap;
  transition: color .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-disclaimer .dc-toc__list a span {
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .08em;
  color: var(--cv-dim);
}

.page-disclaimer .dc-toc__list a:hover,
.page-disclaimer .dc-toc__list a:focus-visible {
  color: var(--cv-ink);
  background: rgba(47, 212, 232, .08);
}

.page-disclaimer .dc-toc__list a.is-current {
  color: var(--cv-ink);
  border-left-color: var(--cv-cyan);
  background: rgba(47, 212, 232, .12);
}

.page-disclaimer .dc-toc__list a.is-current span {
  color: var(--cv-cyan);
}

/* ---------- 单条说明 ---------- */
.page-disclaimer .dc-body {
  display: grid;
}

.page-disclaimer .dc-item {
  padding: clamp(1.5rem, 4vw, 2.5rem) 0;
  border-top: 1px dashed var(--dc-hair);
}

.page-disclaimer .dc-item:first-child {
  border-top-style: solid;
  border-top-color: var(--dc-dash);
}

.page-disclaimer .dc-item__rail {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .75rem;
  margin-bottom: 1rem;
}

.page-disclaimer .dc-item__num {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 2rem;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--cv-cyan);
  text-shadow: 0 0 22px rgba(47, 212, 232, .35);
}

.page-disclaimer .dc-item__type {
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .14em;
  color: var(--cv-muted);
  border-left: 2px solid var(--cv-violet);
  padding-left: .5rem;
}

.page-disclaimer .dc-item__copy {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .1em;
  color: var(--cv-muted);
  background: transparent;
  border: 1px solid rgba(47, 212, 232, .3);
  padding: .3rem .5rem;
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-disclaimer .dc-item__copy:hover,
.page-disclaimer .dc-item__copy:focus-visible {
  color: var(--cv-cyan);
  border-color: var(--cv-cyan);
  outline: none;
}

.page-disclaimer .dc-item__content h2 {
  margin: 0 0 .9rem;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.25rem, 2.6vw, 1.625rem);
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--cv-ink);
}

.page-disclaimer .dc-item__content p {
  margin: 0 0 1rem;
  max-width: 68ch;
  color: var(--cv-muted);
  font-size: .9375rem;
  line-height: 1.85;
}

.page-disclaimer .dc-list {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-disclaimer .dc-list li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--cv-muted);
  font-size: .9375rem;
  line-height: 1.7;
}

.page-disclaimer .dc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 14px;
  height: 2px;
  background: var(--cv-lime);
}

/* ---------- 常用入口 ---------- */
.page-disclaimer .dc-paths {
  padding-top: clamp(2rem, 5vw, 3.5rem);
}

.page-disclaimer .section-head {
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-disclaimer .section-num {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .2em;
  color: var(--cv-cyan);
}

.page-disclaimer .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.5rem, 3.5vw, 2.125rem);
  line-height: 1.2;
  letter-spacing: -.015em;
  color: var(--cv-ink);
}

.page-disclaimer .dc-paths__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--dc-hair);
  border: 1px solid var(--dc-hair);
}

.page-disclaimer .dc-path {
  position: relative;
  display: block;
  padding: 1.5rem 1.25rem;
  background: rgba(12, 38, 68, .72);
  text-decoration: none;
  color: inherit;
  transition: background-color .25s var(--ease);
}

.page-disclaimer .dc-path::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 44px;
  height: 2px;
  background: var(--cv-cyan);
}

.page-disclaimer .dc-path:nth-child(2)::before {
  background: var(--cv-violet);
}

.page-disclaimer .dc-path:nth-child(3)::before {
  background: var(--cv-lime);
}

.page-disclaimer .dc-path:nth-child(4)::before {
  background: var(--cv-cyan);
}

.page-disclaimer .dc-path:hover,
.page-disclaimer .dc-path:focus-visible {
  background: rgba(18, 49, 82, .95);
  outline: none;
}

.page-disclaimer .dc-path__name {
  display: block;
  margin-bottom: .5rem;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  letter-spacing: .01em;
  color: var(--cv-ink);
}

.page-disclaimer .dc-path__desc {
  display: block;
  font-size: .875rem;
  line-height: 1.65;
  color: var(--cv-muted);
}

/* ---------- 返回顶部 ---------- */
.page-disclaimer .to-top {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 40;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .12em;
  color: var(--cv-ink);
  background: var(--cv-panel);
  border: 1px solid rgba(47, 212, 232, .4);
  padding: .6rem .85rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
}

.page-disclaimer .to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 响应式 ---------- */
@media (min-width: 641px) {
  .page-disclaimer .dc-paths__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 721px) {
  .page-disclaimer .dc-item {
    display: grid;
    grid-template-columns: 108px minmax(0, 1fr);
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: start;
  }

  .page-disclaimer .dc-item__rail {
    display: block;
    margin-bottom: 0;
  }

  .page-disclaimer .dc-item__num {
    display: block;
    font-size: 3.25rem;
  }

  .page-disclaimer .dc-item__type {
    display: block;
    margin-top: .85rem;
  }

  .page-disclaimer .dc-item__copy {
    display: block;
    width: 100%;
    margin: 1.25rem 0 0;
  }
}

@media (min-width: 961px) {
  .page-disclaimer .dc-layout {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: start;
  }

  .page-disclaimer .dc-toc {
    position: sticky;
    top: calc(var(--topbar-h) + 1.5rem);
  }

  .page-disclaimer .dc-toc__list {
    display: grid;
    gap: .15rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .dc-toc__list a {
    white-space: normal;
  }
}

@media (min-width: 1025px) {
  .page-disclaimer .dc-paths__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-toc__list a,
  .page-disclaimer .dc-path,
  .page-disclaimer .dc-item__copy,
  .page-disclaimer .to-top {
    transition: none;
  }
}