.page-disclaimer {
  --dl-measure: 36em;
  --dl-radius: 0;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dl-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2.25rem, 6vw, 4rem) 0 clamp(2rem, 5vw, 3.5rem);
  background:
    radial-gradient(120% 95% at 10% 0%, rgba(107, 75, 214, 0.36), transparent 62%),
    radial-gradient(90% 80% at 94% 6%, rgba(63, 201, 232, 0.16), transparent 58%),
    var(--ink);
}

.page-disclaimer .dl-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  mix-blend-mode: screen;
  pointer-events: none;
}

.page-disclaimer .dl-hero__inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .dl-eyebrow {
  margin: clamp(1.5rem, 4vw, 2.4rem) 0 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-disclaimer .dl-h1 {
  margin: 0.85rem 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.85rem, 6.2vw, 3.4rem);
  letter-spacing: 0.07em;
  line-height: 1.22;
  color: var(--cream);
}

.page-disclaimer .dl-lede {
  margin: 1.4rem 0 0;
  max-width: 40rem;
  font-size: clamp(0.98rem, 2.4vw, 1.08rem);
  line-height: 1.9;
  color: rgba(243, 238, 228, 0.76);
}

/* ---------- 章节轨道 ---------- */
.page-disclaimer .dl-track {
  margin-top: clamp(1.9rem, 5vw, 2.9rem);
  border-top: 1px solid var(--line-strong);
}

.page-disclaimer .dl-track__list {
  list-style: none;
  margin: 0;
  padding: 0.9rem 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.15rem;
}

.page-disclaimer .dl-track__node {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.5rem 0 0.5rem 1.3rem;
  text-decoration: none;
  color: rgba(243, 238, 228, 0.66);
  transition: color 0.28s var(--ease);
}

.page-disclaimer .dl-track__node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--graphite);
  box-shadow: 0 0 0 4px rgba(107, 75, 214, 0.16);
  transition: background 0.28s var(--ease), box-shadow 0.28s var(--ease), transform 0.28s var(--ease);
}

.page-disclaimer .dl-track__node:hover,
.page-disclaimer .dl-track__node:focus-visible {
  color: var(--cream);
}

.page-disclaimer .dl-track__node:hover::before,
.page-disclaimer .dl-track__node:focus-visible::before {
  transform: scale(1.25);
}

.page-disclaimer .dl-track__node.is-active {
  color: var(--cream);
}

.page-disclaimer .dl-track__node.is-active::before {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(63, 201, 232, 0.22), 0 0 16px rgba(63, 201, 232, 0.55);
}

.page-disclaimer .dl-track__num {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-disclaimer .dl-track__label {
  font-size: 0.92rem;
  letter-spacing: 0.04em;
}

/* ---------- 主布局 ---------- */
.page-disclaimer .dl-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
  padding-top: clamp(2.25rem, 6vw, 4rem);
  padding-bottom: clamp(2.25rem, 6vw, 4rem);
}

.page-disclaimer .dl-rail {
  position: relative;
  padding: 1.25rem 1.15rem;
  background: rgba(243, 238, 228, 0.035);
  border-left: 2px solid var(--nebula);
}

.page-disclaimer .dl-rail__title {
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-disclaimer .dl-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.1rem;
}

.page-disclaimer .dl-rail__link {
  display: block;
  padding: 0.42rem 0;
  font-size: 0.9rem;
  line-height: 1.6;
  text-decoration: none;
  color: rgba(243, 238, 228, 0.68);
  border-bottom: 1px solid transparent;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-disclaimer .dl-rail__link .mono {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--graphite);
  margin-right: 0.4rem;
}

.page-disclaimer .dl-rail__link:hover,
.page-disclaimer .dl-rail__link:focus-visible {
  color: var(--cream);
  border-bottom-color: var(--line-strong);
}

.page-disclaimer .dl-rail__link.is-active {
  color: var(--gold);
  border-bottom-color: rgba(233, 183, 93, 0.5);
}

.page-disclaimer .dl-rail__link.is-active .mono {
  color: var(--gold);
}

.page-disclaimer .dl-rail__note {
  margin: 1.1rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  line-height: 1.75;
  color: rgba(243, 238, 228, 0.5);
}

/* ---------- 章节正文 ---------- */
.page-disclaimer .dl-section {
  position: relative;
  padding: clamp(1.75rem, 5vw, 2.75rem) 0;
  border-top: 1px solid var(--line);
}

.page-disclaimer .dl-body > .dl-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-disclaimer .dl-slash {
  display: block;
  width: 68px;
  height: 3px;
  margin-bottom: 1rem;
  background: linear-gradient(90deg, var(--nebula), rgba(63, 201, 232, 0.7));
  transform: skewX(-34deg);
}

.page-disclaimer .dl-num {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-disclaimer .dl-h2 {
  margin: 0.5rem 0 1.35rem;
  max-width: 24ch;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.45rem, 4.4vw, 2.05rem);
  letter-spacing: 0.06em;
  line-height: 1.35;
  color: var(--cream);
}

.page-disclaimer .dl-section__body {
  display: grid;
  gap: 1.15rem;
}

.page-disclaimer .dl-p {
  margin: 0;
  max-width: var(--dl-measure);
  font-size: 1rem;
  line-height: 1.88;
  color: rgba(243, 238, 228, 0.76);
}

.page-disclaimer .dl-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 201, 232, 0.35);
  transition: border-color 0.24s var(--ease), color 0.24s var(--ease);
}

.page-disclaimer .dl-link:hover,
.page-disclaimer .dl-link:focus-visible {
  color: var(--cream);
  border-bottom-color: var(--cyan);
}

.page-disclaimer .dl-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-disclaimer .dl-list > li {
  position: relative;
  max-width: var(--dl-measure);
  padding-left: 1.5rem;
  font-size: 0.98rem;
  line-height: 1.85;
  color: rgba(243, 238, 228, 0.72);
}

.page-disclaimer .dl-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 12px;
  height: 1px;
  background: var(--cyan);
}

.page-disclaimer .dl-callout {
  margin: 0;
  max-width: var(--dl-measure);
  padding: 1rem 1.15rem;
  font-size: 0.95rem;
  line-height: 1.85;
  color: rgba(243, 238, 228, 0.82);
  background: rgba(107, 75, 214, 0.12);
  border-left: 2px solid var(--nebula);
}

.page-disclaimer .dl-callout--clay {
  background: rgba(195, 106, 76, 0.12);
  border-left-color: var(--clay);
}

/* ---------- 版本标记 ---------- */
.page-disclaimer .dl-ver {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.1rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--gold);
  background: rgba(233, 183, 93, 0.1);
  border: 1px solid rgba(233, 183, 93, 0.42);
  cursor: help;
}

.page-disclaimer .dl-ver:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-disclaimer .dl-ver__tip {
  position: absolute;
  left: 0;
  bottom: calc(100% + 0.6rem);
  z-index: 5;
  width: max-content;
  max-width: min(19rem, 78vw);
  padding: 0.65rem 0.75rem;
  font-family: var(--font-body);
  font-size: 0.82rem;
  letter-spacing: 0;
  line-height: 1.7;
  color: var(--cream);
  background: var(--rock);
  border: 1px solid var(--line-strong);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.26s var(--ease), transform 0.26s var(--ease), visibility 0.26s;
}

.page-disclaimer .dl-ver:hover .dl-ver__tip,
.page-disclaimer .dl-ver:focus-visible .dl-ver__tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 定义型条目 ---------- */
.page-disclaimer .dl-def {
  display: grid;
  gap: 0.85rem;
}

.page-disclaimer .dl-def__row {
  padding: 1rem 1.1rem;
  background: rgba(243, 238, 228, 0.035);
  border-left: 2px solid var(--moss);
}

.page-disclaimer .dl-def__row:nth-child(2) {
  border-left-color: var(--clay);
}

.page-disclaimer .dl-def__row:nth-child(3) {
  border-left-color: var(--cyan);
}

.page-disclaimer .dl-def__key {
  margin: 0 0 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--cream);
}

.page-disclaimer .dl-def__val {
  margin: 0;
  max-width: var(--dl-measure);
  font-size: 0.94rem;
  line-height: 1.85;
  color: rgba(243, 238, 228, 0.7);
}

/* ---------- 底部回跳轨道 ---------- */
.page-disclaimer .dl-foot {
  margin-top: clamp(1rem, 3vw, 2rem);
  padding: clamp(1.75rem, 5vw, 2.75rem) 0 clamp(2.25rem, 6vw, 3.5rem);
  border-top: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(35, 38, 47, 0.55), transparent);
}

.page-disclaimer .dl-foot__title {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-disclaimer .dl-footnav {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.35rem;
}

.page-disclaimer .dl-footnav__link {
  position: relative;
  display: block;
  padding: 0.6rem 0 0.6rem 1.2rem;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  text-decoration: none;
  color: rgba(243, 238, 228, 0.66);
  border-bottom: 1px solid var(--line);
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-disclaimer .dl-footnav__link .mono {
  margin-right: 0.45rem;
  font-size: 0.7rem;
  color: var(--graphite);
}

.page-disclaimer .dl-footnav__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 7px;
  height: 1px;
  background: var(--nebula);
  transition: width 0.24s var(--ease), background 0.24s var(--ease);
}

.page-disclaimer .dl-footnav__link:hover,
.page-disclaimer .dl-footnav__link:focus-visible {
  color: var(--cream);
  border-bottom-color: var(--line-strong);
}

.page-disclaimer .dl-footnav__link:hover::before,
.page-disclaimer .dl-footnav__link:focus-visible::before {
  width: 14px;
  background: var(--cyan);
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-disclaimer .dl-footnav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 1.25rem;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .dl-track__list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0;
    padding-top: 0;
  }

  .page-disclaimer .dl-track__node {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
    padding: 1.35rem 1.1rem 0 0;
    border-right: 1px solid var(--line);
    transition: color 0.28s var(--ease), background 0.28s var(--ease);
  }

  .page-disclaimer .dl-track__node::before {
    top: -5px;
    left: 0;
  }

  .page-disclaimer .dl-track__item:last-child .dl-track__node {
    border-right: 0;
  }

  .page-disclaimer .dl-track__node:hover {
    background: rgba(107, 75, 214, 0.08);
  }

  .page-disclaimer .dl-layout {
    grid-template-columns: minmax(0, 15rem) minmax(0, 1fr);
    gap: 3.5rem;
    align-items: start;
  }

  .page-disclaimer .dl-rail {
    position: sticky;
    top: 5.5rem;
  }

  .page-disclaimer .dl-def {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }

  .page-disclaimer .dl-def__row:first-child {
    grid-column: 1 / -1;
  }

  .page-disclaimer .dl-footnav {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

/* ---------- 降级动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dl-track__node,
  .page-disclaimer .dl-track__node::before,
  .page-disclaimer .dl-rail__link,
  .page-disclaimer .dl-link,
  .page-disclaimer .dl-footnav__link,
  .page-disclaimer .dl-footnav__link::before,
  .page-disclaimer .dl-ver__tip {
    transition: opacity 0.01ms linear, color 0.01ms linear;
    transform: none;
  }
}