.page-disclaimer {
  position: relative;
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
  padding-bottom: 72px;
}

.page-disclaimer::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(135deg, rgba(63, 240, 216, 0.028) 0 1px, transparent 1px 22px),
    radial-gradient(125% 68% at 6% 0%, rgba(34, 26, 71, 0.55) 0%, transparent 62%);
}

.page-disclaimer > * {
  position: relative;
  z-index: 1;
}

.page-disclaimer .breadcrumb {
  padding: 20px 0 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-disclaimer .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  transition: color var(--tap) var(--ease);
}

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

.page-disclaimer .breadcrumb__sep {
  color: rgba(143, 163, 184, 0.5);
  margin: 0 8px;
}

/* ---------- 首屏 ---------- */

.disc-hero {
  display: grid;
  gap: 26px;
  margin: 18px 0 46px;
}

.disc-hero__frame {
  position: relative;
  padding: 28px 22px 30px;
  background: linear-gradient(180deg, var(--glass-strong) 0%, var(--glass) 100%);
  border: 2px solid var(--line);
  border-radius: 2px;
  box-shadow: var(--shadow-hard), var(--shadow-glow);
}

.disc-hero__frame .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--orange);
  margin: 0 0 14px;
}

.disc-hero h1 {
  font-family: var(--font-body);
  font-weight: 200;
  font-size: clamp(32px, 8vw, 76px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--white);
  max-width: 20ch;
}

.disc-hero__lede {
  font-size: 15.5px;
  line-height: 1.8;
  margin: 0;
  max-width: 60ch;
  color: rgba(234, 246, 255, 0.8);
}

.disc-hero__ticks {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  gap: 5px;
}

.disc-hero__ticks li {
  flex: 1 1 0;
  height: 3px;
  background: var(--cyan);
  opacity: 0.35;
}

.disc-hero__ticks li:nth-child(2n) {
  background: var(--orange);
  opacity: 0.8;
}

.disc-hero__media {
  margin: 0;
  border: 2px solid var(--line-cyan);
  border-radius: 2px;
  background: var(--indigo);
}

.disc-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 2 / 1;
  opacity: 0.86;
}

/* ---------- 目录型分栏 ---------- */

.disc-layout {
  display: grid;
  gap: 26px;
}

.disc-rail {
  border-top: 2px solid var(--line);
  padding-top: 14px;
}

.disc-rail__title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
  margin: 0 0 12px;
}

.disc-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.disc-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 10px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--mist);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--tap) var(--ease), border-color var(--tap) var(--ease),
    background var(--tap) var(--ease);
}

.disc-rail__link .num {
  color: var(--orange);
  font-size: 12px;
}

.disc-rail__link:hover,
.disc-rail__link:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: var(--glass);
}

/* ---------- 条款正文 ---------- */

.disc-body {
  min-width: 0;
  background: var(--ink-deep);
  border: 1px solid var(--line);
  border-radius: 2px;
}

.disc-clause {
  position: relative;
  padding: 30px 22px 34px;
}

.disc-clause + .disc-clause {
  border-top: 8px solid var(--ink);
}

.disc-clause + .disc-clause::after {
  content: "";
  position: absolute;
  top: 13px;
  left: 22px;
  right: 22px;
  height: 1px;
  background: repeating-linear-gradient(
    90deg,
    var(--line-cyan) 0 12px,
    transparent 12px 24px
  );
  pointer-events: none;
}

.disc-clause__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--orange);
  margin: 0 0 10px;
}

.disc-clause h2 {
  display: flex;
  align-items: baseline;
  font-size: clamp(20px, 4.6vw, 30px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  color: var(--white);
}

.disc-clause h2::before {
  content: "";
  flex: 0 0 auto;
  width: 5px;
  height: 0.86em;
  margin-right: 12px;
  background: var(--orange);
  transition: width var(--tap) var(--ease);
}

.disc-clause:hover h2::before,
.disc-clause:focus-within h2::before {
  width: 13px;
}

.disc-clause p {
  font-size: 15.5px;
  line-height: 1.78;
  margin: 0 0 13px;
  max-width: 68ch;
  color: rgba(234, 246, 255, 0.82);
}

.disc-clause p:last-child {
  margin-bottom: 0;
}

.disc-clause .num {
  color: var(--cyan);
  font-weight: 600;
}

.disc-clause a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--line-cyan);
  transition: text-decoration-color var(--tap) var(--ease);
}

.disc-clause a:hover,
.disc-clause a:focus-visible {
  text-decoration-color: var(--cyan);
}

/* ---------- 反馈步骤手风琴 ---------- */

.disc-steps {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.disc-steps__item {
  border-bottom: 1px solid var(--line);
}

.disc-steps__item details {
  width: 100%;
}

.disc-steps__sum {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 4px 14px 2px;
  cursor: pointer;
  list-style: none;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--white);
  transition: color var(--tap) var(--ease), background var(--tap) var(--ease);
}

.disc-steps__sum::-webkit-details-marker {
  display: none;
}

.disc-steps__sum::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
  transition: transform var(--tap) var(--ease), color var(--tap) var(--ease);
}

.disc-steps__item details[open] .disc-steps__sum::after {
  transform: rotate(45deg);
  color: var(--orange);
}

.disc-steps__sum .num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.disc-steps__sum:hover,
.disc-steps__sum:focus-visible {
  color: var(--cyan);
  background: var(--glass);
}

.disc-steps__body {
  margin: 0;
  padding: 0 30px 16px 34px;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(234, 246, 255, 0.76);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .disc-hero__frame {
    padding: 36px 34px 38px;
  }

  .disc-clause {
    padding: 36px 32px 40px;
  }

  .disc-clause + .disc-clause::after {
    left: 32px;
    right: 32px;
  }
}

@media (min-width: 940px) {
  .page-disclaimer {
    padding-bottom: 104px;
  }

  .disc-hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.72fr);
    align-items: end;
    gap: 34px;
    margin: 24px 0 60px;
  }

  .disc-hero__frame {
    padding: 44px 40px 46px;
  }

  .disc-layout {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }

  .disc-rail {
    position: sticky;
    top: 88px;
    border-top: 0;
    padding-top: 0;
    border-left: 2px solid var(--line);
    padding-left: 2px;
  }

  .disc-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .disc-clause {
    padding: 44px 48px 48px;
  }

  .disc-clause + .disc-clause::after {
    left: 48px;
    right: 48px;
  }

  .disc-clause p {
    font-size: 16px;
  }
}

@media (min-width: 1280px) {
  .disc-hero__frame {
    padding: 52px 52px 54px;
  }

  .disc-clause {
    padding: 52px 56px 56px;
  }

  .disc-clause + .disc-clause::after {
    left: 56px;
    right: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer *,
  .page-disclaimer *::before,
  .page-disclaimer *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}