.page-disclaimer {
  --doc-num-col: 2.6rem;
  --doc-gap: 16px;
  --doc-rule: rgba(11, 27, 43, 0.14);
  background: var(--paper);
  color: var(--ink);
  padding-bottom: clamp(56px, 8vw, 120px);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .doc-hero {
  padding-top: clamp(22px, 4vw, 52px);
  padding-bottom: clamp(32px, 5vw, 64px);
  border-bottom: 2px solid var(--ink);
}

.page-disclaimer .doc-hero__ver {
  display: inline-block;
  margin-left: 10px;
  padding: 2px 8px 1px;
  border: 1px solid var(--copper);
  color: var(--copper);
  font-size: 0.72rem;
  line-height: 1.5;
  letter-spacing: 0.1em;
}

.page-disclaimer .doc-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 5.4vw, 3.3rem);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.012em;
  margin: 18px 0 20px;
  max-width: 15em;
}

.page-disclaimer .doc-hero .lede {
  max-width: 44ch;
  color: var(--ink-80);
  line-height: 1.8;
  margin: 0;
}

.page-disclaimer .doc-hero__meta {
  margin: 24px 0 0;
  font-family: var(--font-data);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--concrete);
}

.page-disclaimer .doc-hero__figure {
  margin: 30px 0 0;
}

.page-disclaimer .doc-hero__figure .media__caption {
  color: var(--concrete);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

/* ---------- 正文区 ---------- */
.page-disclaimer .doc-body {
  padding-top: clamp(28px, 4vw, 52px);
}

.page-disclaimer .filter-bar {
  margin-bottom: clamp(26px, 3.6vw, 46px);
}

.page-disclaimer .filter-empty {
  color: var(--concrete);
  font-size: 0.9rem;
  margin: -18px 0 28px;
}

/* ---------- 条款列表 ---------- */
.page-disclaimer .clause-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .clause-item {
  border-top: 1px solid var(--doc-rule);
}

.page-disclaimer .clause-item:last-child {
  border-bottom: 1px solid var(--doc-rule);
}

.page-disclaimer .clause {
  display: block;
}

.page-disclaimer .clause__summary {
  display: grid;
  grid-template-columns: var(--doc-num-col) minmax(0, 1fr) 14px;
  align-items: center;
  gap: 0 var(--doc-gap);
  padding: clamp(18px, 2.6vw, 28px) 0;
  cursor: pointer;
  list-style: none;
  outline-offset: 4px;
}

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

.page-disclaimer .clause__summary::marker {
  content: "";
}

.page-disclaimer .clause__summary:focus-visible {
  outline: 2px solid var(--copper);
}

.page-disclaimer .clause__no {
  font-family: var(--font-data);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--copper);
  padding-top: 2px;
}

.page-disclaimer .clause__title {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.7vw, 1.5rem);
  font-weight: 600;
  line-height: 1.35;
  transition: color 0.22s var(--ease);
}

.page-disclaimer .clause__summary:hover .clause__title {
  color: var(--copper);
}

.page-disclaimer .clause__summary::after {
  content: "";
  display: block;
  width: 9px;
  height: 9px;
  border-right: 1.5px solid var(--ink-60);
  border-bottom: 1.5px solid var(--ink-60);
  transform: rotate(45deg);
  transition: transform 0.28s var(--ease);
  justify-self: end;
}

.page-disclaimer .clause[open] > .clause__summary::after {
  transform: rotate(-135deg);
}

.page-disclaimer .clause__body {
  padding-bottom: clamp(22px, 3vw, 38px);
}

.page-disclaimer .clause__body p {
  margin: 0 0 14px;
  color: var(--ink-80);
  line-height: 1.78;
  max-width: 68ch;
}

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

.page-disclaimer .clause__body a {
  color: var(--copper);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-disclaimer .clause__body a:hover {
  color: var(--ink);
  background: rgba(47, 111, 99, 0.12);
}

/* 条款要点 */
.page-disclaimer .clause__points {
  list-style: none;
  margin: 6px 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 68ch;
}

.page-disclaimer .clause__points li {
  position: relative;
  padding-left: 22px;
  color: var(--ink-80);
  line-height: 1.72;
}

.page-disclaimer .clause__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 10px;
  height: 2px;
  background: var(--copper);
}

/* 强调块 */
.page-disclaimer .clause__flag {
  margin: 18px 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--hibiscus);
  background: rgba(194, 58, 75, 0.06);
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--ink);
  max-width: 68ch;
}

/* 联系方式清单 */
.page-disclaimer .clause__contact {
  list-style: none;
  margin: 6px 0 18px;
  padding: 0;
  display: grid;
  gap: 14px;
  max-width: 68ch;
}

.page-disclaimer .clause__contact li {
  padding: 12px 16px;
  border: 1px solid var(--doc-rule);
  border-left: 3px solid var(--pickle);
  background: rgba(227, 178, 60, 0.07);
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--ink-80);
}

.page-disclaimer .clause__contact-key {
  display: inline-block;
  min-width: 3.2rem;
  margin-right: 8px;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--concrete);
}

.page-disclaimer .clause__contact-val {
  font-family: var(--font-data);
  color: var(--ink);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .clause__body {
    padding-left: calc(var(--doc-num-col) + var(--doc-gap));
  }

  .page-disclaimer .doc-hero__figure {
    margin-top: 34px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .doc-hero__figure {
    margin-top: 8px;
  }
}

@media (max-width: 480px) {
  .page-disclaimer .clause__summary {
    grid-template-columns: 2.2rem minmax(0, 1fr) 12px;
    gap: 0 10px;
  }

  .page-disclaimer .clause__title {
    font-size: 1.02rem;
  }

  .page-disclaimer .clause__contact li {
    padding: 11px 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause__summary::after,
  .page-disclaimer .clause__title {
    transition: none;
  }
}