.page-disclaimer {
  --disc-measure: 64ch;
  --disc-doc-max: 840px;
  display: block;
  overflow-x: clip;
  background: var(--ink-950);
}

/* ---------- 页首 ---------- */
.page-disclaimer .disc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .disc-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 72% 50%;
  opacity: 0.4;
}

.page-disclaimer .disc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(5, 10, 22, 0.7) 0%, rgba(5, 10, 22, 0.9) 58%, var(--ink-950) 100%),
    repeating-linear-gradient(90deg, rgba(243, 237, 226, 0.06) 0 1px, transparent 1px 88px);
}

.page-disclaimer .disc-hero__inner {
  padding-top: 24px;
  padding-bottom: 52px;
}

.page-disclaimer .disc-hero__eyebrow {
  margin: 28px 0 14px;
  color: var(--cyan-400);
}

.page-disclaimer .disc-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(40px, 8.2vw, 78px);
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--paper-50);
}

.page-disclaimer .disc-hero__lead {
  margin: 22px 0 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--paper-100);
}

/* ---------- 条款主体 ---------- */
.page-disclaimer .disc-body {
  padding-top: 8px;
  padding-bottom: 8px;
}

.page-disclaimer .disc-doc {
  max-width: var(--disc-doc-max);
  margin: 0 auto;
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .disc-acc {
  scroll-margin-top: 84px;
  border-bottom: 1px solid var(--line-soft);
  transition: background-color 400ms var(--ease), box-shadow 400ms var(--ease);
}

.page-disclaimer .disc-acc:target {
  background: rgba(47, 227, 208, 0.05);
  box-shadow: inset 2px 0 0 var(--cyan-400);
}

.page-disclaimer .disc-acc__head {
  display: grid;
  grid-template-columns: 46px 1fr 18px;
  gap: 14px;
  align-items: baseline;
  padding: 24px 4px 24px 0;
  cursor: pointer;
  list-style: none;
  outline-offset: 6px;
}

.page-disclaimer .disc-acc__head::-webkit-details-marker {
  display: none;
}

.page-disclaimer .disc-acc__head:hover .disc-acc__title {
  color: #ffffff;
}

.page-disclaimer .disc-acc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--cyan-400);
  padding-top: 7px;
}

.page-disclaimer .disc-acc__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 3.4vw, 27px);
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--paper-50);
  transition: color 240ms var(--ease);
}

.page-disclaimer .disc-acc__mark {
  position: relative;
  justify-self: end;
  align-self: center;
  width: 16px;
  height: 16px;
}

.page-disclaimer .disc-acc__mark::before,
.page-disclaimer .disc-acc__mark::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 16px;
  height: 1px;
  background: var(--slate-400);
  transform: translateY(-50%);
  transition: transform 240ms var(--ease), background-color 240ms var(--ease);
}

.page-disclaimer .disc-acc__mark::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-disclaimer .disc-acc[open] .disc-acc__mark::before,
.page-disclaimer .disc-acc[open] .disc-acc__mark::after {
  background: var(--cyan-400);
}

.page-disclaimer .disc-acc[open] .disc-acc__mark::after {
  transform: translateY(-50%) rotate(0deg);
}

.page-disclaimer .disc-acc__body {
  padding: 0 0 30px 60px;
  animation: disc-reveal 340ms var(--ease);
}

@keyframes disc-reveal {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.page-disclaimer .disc-acc__body p {
  margin: 0 0 14px;
  max-width: var(--disc-measure);
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-100);
}

.page-disclaimer .disc-acc__body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .disc-acc__body a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-disclaimer .disc-acc__body a:hover,
.page-disclaimer .disc-acc__body a:focus-visible {
  color: var(--orange-500);
}

.page-disclaimer .disc-list {
  list-style: none;
  margin: 6px 0 16px;
  padding: 0;
  max-width: var(--disc-measure);
}

.page-disclaimer .disc-list li {
  position: relative;
  padding: 8px 0 8px 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-100);
}

.page-disclaimer .disc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 9px;
  height: 1px;
  background: var(--cyan-400);
}

.page-disclaimer .disc-note {
  margin: 18px 0;
  padding: 15px 18px;
  max-width: var(--disc-measure);
  border-radius: 2px;
  background: var(--paper-50);
  color: var(--ink-950);
  font-size: 14px;
  line-height: 1.8;
  box-shadow: inset 3px 0 0 var(--cyan-400);
}

.page-disclaimer .disc-note strong {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--ink-700);
}

.page-disclaimer .disc-contact {
  list-style: none;
  margin: 8px 0 18px;
  padding: 0;
  max-width: var(--disc-measure);
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .disc-contact li {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper-100);
}

.page-disclaimer .disc-contact__k {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--slate-400);
}

.page-disclaimer .disc-contact__v {
  word-break: break-word;
  color: var(--paper-50);
}

/* ---------- 章节跳转刻度带 ---------- */
.page-disclaimer .disc-jump {
  border-top: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(10, 18, 38, 0) 0%, rgba(10, 18, 38, 0.72) 100%);
}

.page-disclaimer .disc-jump__inner {
  padding-top: 30px;
  padding-bottom: 58px;
}

.page-disclaimer .disc-jump__label {
  margin: 0 0 16px;
  color: var(--slate-400);
}

.page-disclaimer .disc-jump__list {
  list-style: none;
  margin: 0;
  padding: 0 0 10px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-disclaimer .disc-jump__list li {
  flex: 0 0 auto;
}

.page-disclaimer .disc-jump__list a {
  display: flex;
  flex-direction: column;
  gap: 9px;
  min-width: 168px;
  padding: 14px 16px 16px;
  border: 1px solid var(--line-soft);
  border-radius: 2px;
  color: var(--paper-100);
  text-decoration: none;
  transition: border-color 240ms var(--ease), background-color 240ms var(--ease), transform 240ms var(--ease);
}

.page-disclaimer .disc-jump__list a::before {
  content: "";
  display: block;
  width: 26px;
  height: 1px;
  background: var(--cyan-400);
  opacity: 0.75;
}

.page-disclaimer .disc-jump__list a:hover,
.page-disclaimer .disc-jump__list a:focus-visible {
  border-color: var(--cyan-400);
  background: rgba(47, 227, 208, 0.07);
  transform: translateY(-2px);
}

.page-disclaimer .disc-jump__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan-400);
}

.page-disclaimer .disc-jump__text {
  font-size: 14px;
  line-height: 1.5;
}

/* ---------- 响应式 ---------- */
@media (max-width: 820px) {
  .page-disclaimer .disc-hero__inner {
    padding-top: 20px;
    padding-bottom: 44px;
  }

  .page-disclaimer .disc-hero__eyebrow {
    margin-top: 22px;
  }

  .page-disclaimer .disc-acc__head {
    grid-template-columns: 34px 1fr 16px;
    gap: 10px;
    padding: 20px 0;
  }

  .page-disclaimer .disc-acc__num {
    padding-top: 6px;
  }

  .page-disclaimer .disc-acc__body {
    padding-left: 0;
  }

  .page-disclaimer .disc-contact li {
    grid-template-columns: 1fr;
    gap: 3px;
    padding: 12px 0;
  }

  .page-disclaimer .disc-contact__k {
    padding-top: 0;
  }

  .page-disclaimer .disc-jump__inner {
    padding-bottom: 48px;
  }

  .page-disclaimer .disc-jump__list a {
    min-width: 152px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .disc-hero__inner {
    padding-top: 46px;
    padding-bottom: 66px;
  }

  .page-disclaimer .disc-jump__inner {
    padding-bottom: 76px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-acc__body {
    animation: none;
  }

  .page-disclaimer .disc-acc__mark::before,
  .page-disclaimer .disc-acc__mark::after,
  .page-disclaimer .disc-jump__list a,
  .page-disclaimer .disc-acc {
    transition: none;
  }

  .page-disclaimer .disc-jump__list a:hover,
  .page-disclaimer .disc-jump__list a:focus-visible {
    transform: none;
  }
}