.page-disclaimer {
  background: var(--ink-deep);
  color: var(--text);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.dis-hero {
  position: relative;
  padding: clamp(20px, 4vw, 40px) 0 clamp(28px, 5vw, 52px);
  background:
    radial-gradient(120% 95% at 10% 0%, rgba(31, 160, 122, .16), transparent 62%),
    linear-gradient(180deg, var(--ink-night), rgba(12, 28, 51, 0));
}

.dis-hero .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.dis-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 40px);
  align-items: end;
}

.dis-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 56px);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--text);
}

.dis-hero__lead {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.8;
  color: var(--text-dim);
}

.dis-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.dis-hero__fact {
  padding-left: 11px;
  border-left: 2px solid var(--whistle);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-dim);
}

.dis-hero__fact strong {
  color: var(--text);
  font-weight: 600;
}

.dis-hero__frame {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: var(--glass);
  box-shadow: 8px 8px 0 -1px rgba(12, 28, 51, .6);
}

.dis-hero__frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.dis-hero__frame figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 22px 14px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  background: linear-gradient(180deg, transparent, rgba(8, 32, 28, .88));
}

/* ---------- 章节时间线 ---------- */
.dis-rail {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(27, 47, 58, .34);
}

.dis-rail__track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.dis-rail__node {
  flex: 0 0 auto;
  min-width: 146px;
  padding: 15px 18px 14px;
  border-top: 2px solid transparent;
  border-right: 1px solid var(--line-soft);
  color: var(--text-dim);
  text-decoration: none;
  scroll-snap-align: start;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.dis-rail__node:last-child {
  border-right: 0;
}

.dis-rail__node:hover,
.dis-rail__node:focus-visible {
  color: var(--text);
  border-top-color: var(--whistle);
  background: var(--whistle-soft);
}

.dis-rail__num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--whistle);
}

.dis-rail__label {
  display: block;
  font-size: 14px;
  line-height: 1.4;
}

/* ---------- 正文骨架 ---------- */
.dis-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 48px);
  padding: clamp(28px, 5vw, 68px) 0 clamp(12px, 3vw, 28px);
}

.dis-body__aside {
  display: none;
}

.dis-aside__title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--text-dim);
}

.dis-aside__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.dis-aside__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 10px 12px;
  border-left: 2px solid var(--line);
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.dis-aside__link:hover,
.dis-aside__link:focus-visible {
  color: var(--text);
  border-left-color: var(--whistle);
  background: var(--whistle-soft);
}

.dis-aside__link-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--whistle);
}

/* ---------- 条款面板 ---------- */
.dis-body__main {
  display: grid;
  gap: clamp(16px, 3vw, 28px);
}

.dis-clause {
  position: relative;
  padding: clamp(20px, 3vw, 34px);
  background: var(--glass);
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  box-shadow: 8px 8px 0 -1px rgba(12, 28, 51, .55);
  scroll-margin-top: 120px;
}

.dis-clause__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 14px;
  margin-bottom: 14px;
}

.dis-clause__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: clamp(19px, 3vw, 26px);
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--text-dim);
  transition: color .3s var(--ease);
}

.dis-clause.is-current .dis-clause__num {
  color: var(--whistle);
}

.dis-clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 3.4vw, 27px);
  line-height: 1.25;
  color: var(--text);
}

.dis-clause__text {
  margin: 0;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-dim);
}

.dis-clause__text + .dis-clause__text {
  margin-top: .95em;
}

.dis-clause__text strong {
  color: var(--text);
  font-weight: 600;
}

.dis-clause__text + .dis-list,
.dis-list + .dis-clause__text {
  margin-top: 16px;
}

.dis-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  max-width: 68ch;
  list-style: none;
}

.dis-list li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-dim);
}

.dis-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 9px;
  height: 2px;
  background: var(--whistle);
}

.dis-list strong {
  color: var(--text);
  font-weight: 600;
}

.dis-note {
  margin: 18px 0 0;
  padding: 14px 16px;
  max-width: 68ch;
  border-left: 3px solid var(--whistle);
  border-radius: 0 4px 4px 0;
  background: var(--whistle-soft);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

.dis-link {
  color: var(--whistle);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.dis-link:hover,
.dis-link:focus-visible {
  color: var(--whistle-lift);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .dis-rail__node {
    flex: 1 1 0;
    min-width: 0;
  }
}

@media (min-width: 900px) {
  .dis-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }
}

@media (min-width: 1024px) {
  .dis-body {
    grid-template-columns: 216px minmax(0, 1fr);
    align-items: start;
  }

  .dis-body__aside {
    display: block;
    position: sticky;
    top: 96px;
  }

  .dis-clause:nth-child(even) {
    margin-left: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .dis-rail__node,
  .dis-aside__link,
  .dis-clause__num {
    transition: none;
  }
}