.page-disclaimer {
  --st-dash: rgba(143, 163, 184, .32);
  --st-board: rgba(20, 42, 69, .72);
  color: var(--c-mist);
  overflow-wrap: break-word;
}

.page-disclaimer .st-wrap {
  max-width: min(var(--shell), 960px);
  margin: 0 auto;
  padding: clamp(16px, 3vw, 32px) var(--pad-x) clamp(36px, 6vw, 68px);
}

/* ── 公告板首屏 ───────────────────────────── */
.page-disclaimer .board {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3.6vw, 40px);
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  background:
    linear-gradient(180deg, rgba(20, 42, 69, .88) 0%, rgba(11, 26, 46, .78) 72%),
    var(--c-night);
  box-shadow: var(--shadow-card);
}

.page-disclaimer .board::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-lake), var(--c-volt) 46%, var(--c-gold));
}

.page-disclaimer .board::after {
  content: "";
  position: absolute;
  top: -56px;
  right: -56px;
  width: 190px;
  height: 190px;
  pointer-events: none;
  background: radial-gradient(circle at 68% 68%, rgba(47, 182, 196, .24), transparent 68%);
}

.page-disclaimer .st-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--c-lake);
}

.page-disclaimer h1 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 5vw, 46px);
  letter-spacing: .05em;
  line-height: 1.2;
  color: var(--c-mist);
}

.page-disclaimer .st-lede {
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-stone);
}

.page-disclaimer .st-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--c-mist);
}

.page-disclaimer .st-meta .mono {
  color: var(--c-stone);
  margin-right: 6px;
  letter-spacing: .06em;
}

.page-disclaimer .st-figure {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

.page-disclaimer .st-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--c-indigo);
  object-fit: cover;
}

.page-disclaimer .st-figure figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--c-stone);
}

/* ── 条款目录 ─────────────────────────────── */
.page-disclaimer .st-toc {
  margin-top: clamp(22px, 3vw, 30px);
  padding-top: 18px;
  border-top: 1px dashed var(--st-dash);
}

.page-disclaimer .st-toc-title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--c-stone);
}

.page-disclaimer .st-toc ol {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 4px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .st-toc a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 0;
  font-size: 14px;
  color: var(--c-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-disclaimer .st-toc a:hover,
.page-disclaimer .st-toc a:focus-visible {
  color: var(--c-volt);
  border-bottom-color: var(--c-volt);
}

.page-disclaimer .st-toc .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-gold);
}

/* ── 条款主体 ─────────────────────────────── */
.page-disclaimer .st-ledger {
  margin-top: clamp(26px, 4vw, 42px);
}

.page-disclaimer .clause {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 0 14px;
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-top: 1px dashed var(--st-dash);
}

.page-disclaimer .clause:last-of-type {
  border-bottom: 1px dashed var(--st-dash);
}

.page-disclaimer .clause-idx {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--c-gold);
}

.page-disclaimer .clause h2 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 22px);
  letter-spacing: .03em;
  line-height: 1.4;
  color: var(--c-mist);
}

.page-disclaimer .clause p {
  margin: 0 0 10px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--c-stone);
}

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

.page-disclaimer .clause strong {
  color: var(--c-volt);
  font-weight: 600;
}

.page-disclaimer .clause a {
  color: var(--c-lake);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 182, 196, .45);
}

.page-disclaimer .clause a:hover,
.page-disclaimer .clause a:focus-visible {
  color: var(--c-volt);
  border-bottom-color: var(--c-volt);
}

/* ── 附录折叠组 ───────────────────────────── */
.page-disclaimer .st-appendix {
  margin-top: clamp(30px, 4.6vw, 52px);
}

.page-disclaimer .st-appendix-head .eyebrow {
  margin: 0;
}

.page-disclaimer .st-appendix-head .section-title {
  margin: 6px 0 0;
}

.page-disclaimer .collapse-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0 18px;
}

.page-disclaimer .collapse {
  margin-bottom: 10px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  background: rgba(20, 42, 69, .42);
  transition: border-color .2s var(--ease);
}

.page-disclaimer .collapse:hover {
  border-color: var(--line);
}

.page-disclaimer .collapse summary {
  padding: 14px 18px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-mist);
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .collapse summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .collapse summary::after {
  content: "+";
  float: right;
  margin-left: 12px;
  font-family: var(--font-mono);
  color: var(--c-lake);
}

.page-disclaimer .collapse[open] summary {
  border-left: 2px solid var(--c-gold);
  color: var(--c-volt);
}

.page-disclaimer .collapse[open] summary::after {
  content: "–";
  color: var(--c-gold);
}

.page-disclaimer .collapse-body {
  padding: 0 18px 16px;
}

.page-disclaimer .collapse-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-stone);
}

.page-disclaimer .collapse-body .mono {
  color: var(--c-gold);
  letter-spacing: .02em;
}

/* ── 页尾收束 ─────────────────────────────── */
.page-disclaimer .st-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: center;
  justify-content: space-between;
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: 18px;
  border-top: 1px solid var(--c-gold);
}

.page-disclaimer .st-foot-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-stone);
}

.page-disclaimer .st-foot-ids {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-stone);
}

@media (min-width: 720px) {
  .page-disclaimer .clause {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 0 26px;
  }

  .page-disclaimer .clause-idx {
    font-size: 14px;
  }

  .page-disclaimer .st-lede {
    font-size: 17px;
  }
}

@media (max-width: 420px) {
  .page-disclaimer .clause {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 0 10px;
  }

  .page-disclaimer .st-meta {
    gap: 6px 14px;
  }
}