.page-disclaimer {
  --df-text: #E9EEF8;
  --df-dim: #A9B4C8;
  --df-dark: #0A1020;
  --df-hair: rgba(20, 41, 77, 0.85);
  --df-hair-paper: rgba(10, 16, 32, 0.14);
  background: var(--ink);
  color: var(--df-text);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-disclaimer img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */

.page-disclaimer .df-hero {
  position: relative;
  padding: clamp(20px, 3.5vw, 40px) 0 clamp(26px, 4vw, 52px);
  background: linear-gradient(180deg, rgba(14, 27, 51, 0.92) 0%, rgba(7, 11, 20, 1) 100%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-disclaimer .df-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(20, 41, 77, 0.6) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(20, 41, 77, 0.6) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0) 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0) 88%);
  pointer-events: none;
}

.page-disclaimer .df-hero > .container {
  position: relative;
  z-index: 1;
}

.page-disclaimer .df-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 40px);
  margin-top: clamp(18px, 3vw, 30px);
}

.page-disclaimer .df-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-disclaimer .df-hero__title {
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(46px, 11.5vw, 112px);
  line-height: 0.9;
  letter-spacing: -0.035em;
  color: var(--paper);
}

.page-disclaimer .df-hero__lead {
  max-width: 64ch;
  margin: 0 0 clamp(18px, 2.4vw, 24px);
  font-size: clamp(15px, 1.65vw, 17px);
  line-height: 1.85;
  color: var(--df-dim);
}

.page-disclaimer .df-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-disclaimer .df-facts {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-disclaimer .df-facts__row {
  display: grid;
  grid-template-columns: 5.4rem minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .df-facts dt {
  margin: 0;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--signal);
}

.page-disclaimer .df-facts dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--df-text);
}

/* ---------- 主题图 ---------- */

.page-disclaimer .df-plate {
  margin: 0;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  line-height: 0;
}

.page-disclaimer .df-plate img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  opacity: 0.82;
}

/* ---------- 章节索引色带 ---------- */

.page-disclaimer .df-toc {
  background: var(--paper);
  color: var(--df-dark);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .df-toc__list {
  display: flex;
  align-items: stretch;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

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

.page-disclaimer .df-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 15px 18px;
  min-height: 48px;
  border-left: 1px solid var(--df-hair-paper);
  color: var(--df-dark);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-disclaimer .df-toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--paper-muted);
  transition: color 0.25s var(--ease);
}

.page-disclaimer .df-toc__list a:hover,
.page-disclaimer .df-toc__list a:focus-visible {
  background: var(--signal);
  color: var(--df-dark);
  outline: none;
}

.page-disclaimer .df-toc__list a:hover .df-toc__num,
.page-disclaimer .df-toc__list a:focus-visible .df-toc__num {
  color: var(--df-dark);
}

/* ---------- 条款列表 ---------- */

.page-disclaimer .df-clauses {
  padding: clamp(24px, 4vw, 56px) 0 clamp(36px, 6vw, 88px);
  background:
    linear-gradient(180deg, rgba(7, 11, 20, 1) 0%, rgba(7, 11, 20, 1) 100%);
}

.page-disclaimer .df-clause {
  border-top: 1px solid var(--line);
  scroll-margin-top: 92px;
}

.page-disclaimer .df-clause:last-of-type {
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .df-clause__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(12px, 2vw, 22px);
  padding: clamp(16px, 2.4vw, 26px) 0;
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .df-clause__head::-webkit-details-marker {
  display: none;
}

.page-disclaimer .df-clause__head:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 4px;
}

.page-disclaimer .df-clause__num {
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.6vw, 28px);
  font-weight: 700;
  line-height: 1;
  color: var(--signal);
  letter-spacing: -0.02em;
}

.page-disclaimer .df-clause__title {
  margin: 0;
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: clamp(19px, 2.7vw, 30px);
  line-height: 1.28;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-disclaimer .df-clause__cue {
  position: relative;
  width: 20px;
  height: 20px;
  flex: none;
}

.page-disclaimer .df-clause__cue::before,
.page-disclaimer .df-clause__cue::after {
  content: "";
  position: absolute;
  background: var(--muted);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.page-disclaimer .df-clause__cue::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  transform: translateY(-50%);
}

.page-disclaimer .df-clause__cue::after {
  left: 50%;
  top: 0;
  width: 1px;
  height: 100%;
  transform: translateX(-50%);
}

.page-disclaimer .df-clause[open] .df-clause__cue::after {
  transform: translateX(-50%) scaleY(0);
  opacity: 0;
}

.page-disclaimer .df-clause__body {
  padding: 0 0 clamp(20px, 3vw, 34px);
  max-width: 78ch;
}

.page-disclaimer .df-clause__body p {
  margin: 0 0 14px;
  font-size: clamp(15px, 1.55vw, 16.5px);
  line-height: 1.85;
  color: var(--df-dim);
}

.page-disclaimer .df-list {
  margin: 6px 0 16px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-disclaimer .df-list li {
  position: relative;
  padding: 12px 0 12px 22px;
  border-bottom: 1px solid var(--line);
  font-size: clamp(14.5px, 1.5vw, 16px);
  line-height: 1.78;
  color: var(--df-text);
}

.page-disclaimer .df-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.35em;
  width: 9px;
  height: 1px;
  background: var(--signal);
}

.page-disclaimer .df-list strong {
  color: var(--paper);
  font-weight: 700;
}

.page-disclaimer .df-note {
  position: relative;
  margin: 18px 0 0;
  padding: 13px 16px;
  background: var(--panel);
  border-left: 3px solid var(--signal);
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--df-dim);
}

.page-disclaimer .df-note--alert {
  border-left-color: var(--alert);
}

.page-disclaimer .df-note--alert strong {
  color: var(--alert);
}

/* ---------- 结尾提示 ---------- */

.page-disclaimer .df-outro {
  background: var(--panel);
  border-top: 1px solid var(--line);
  padding: clamp(28px, 4vw, 56px) 0;
}

.page-disclaimer .df-outro__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 28px);
}

.page-disclaimer .df-outro__title {
  margin: 0 0 10px;
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.3;
  color: var(--paper);
}

.page-disclaimer .df-outro__text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--df-dim);
}

.page-disclaimer .df-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-disclaimer .df-outro__actions .btn {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-disclaimer .df-toc__list {
    flex-wrap: wrap;
    overflow-x: visible;
  }

  .page-disclaimer .df-toc__list li {
    flex: 1 1 auto;
  }

  .page-disclaimer .df-toc__list a {
    padding: 17px 22px;
    justify-content: flex-start;
  }

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

@media (min-width: 900px) {
  .page-disclaimer .df-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: clamp(36px, 5vw, 76px);
  }

  .page-disclaimer .df-clause__head {
    grid-template-columns: 5rem minmax(0, 1fr) auto;
    gap: clamp(16px, 2vw, 26px);
  }

  .page-disclaimer .df-clause__body {
    padding-left: calc(5rem + clamp(16px, 2vw, 26px));
  }
}

@media (min-width: 1120px) {
  .page-disclaimer .df-hero {
    padding-top: clamp(28px, 3vw, 48px);
  }

  .page-disclaimer .df-clause__body {
    max-width: 84ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .df-toc__list a,
  .page-disclaimer .df-toc__num,
  .page-disclaimer .df-clause__cue::before,
  .page-disclaimer .df-clause__cue::after {
    transition: none;
  }
}