.page-disclaimer {
  --pd-accent: var(--amber);
  --pd-accent-soft: rgba(255, 138, 61, .13);
  --pd-accent-line: rgba(255, 138, 61, .42);
  --pd-hair: rgba(232, 244, 240, .10);
  --pd-cut: 16px;
  padding-bottom: clamp(44px, 7vw, 90px);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .rule-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 110% at 84% 0%, rgba(255, 138, 61, .18), transparent 62%),
    var(--ink);
}

.page-disclaimer .rule-hero__art {
  position: absolute;
  inset: 0;
  opacity: .30;
  pointer-events: none;
}

.page-disclaimer .rule-hero__art img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-disclaimer .rule-hero__art::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(96deg, var(--ink) 16%, rgba(6, 17, 14, .62) 56%, rgba(6, 17, 14, .90) 100%),
    repeating-linear-gradient(90deg, rgba(255, 138, 61, .05) 0 1px, transparent 1px 88px);
}

.page-disclaimer .rule-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(26px, 5vw, 60px);
  padding-bottom: clamp(28px, 5vw, 58px);
}

.page-disclaimer .rule-hero__copy {
  max-width: 760px;
}

.page-disclaimer .breadcrumb {
  margin-bottom: 18px;
}

.page-disclaimer .rule-hero .eyebrow {
  color: var(--pd-accent);
}

.page-disclaimer .rule-hero h1 {
  margin: 10px 0 0;
  font-size: clamp(34px, 7.4vw, 72px);
  line-height: 1.06;
  letter-spacing: .02em;
  color: var(--text);
  max-width: 14em;
}

.page-disclaimer .rule-hero__lede {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 40em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(232, 244, 240, .82);
}

.page-disclaimer .rule-hero__keys {
  list-style: none;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--pd-hair);
  border-top: 1px solid var(--pd-hair);
  border-bottom: 1px solid var(--pd-hair);
}

.page-disclaimer .rule-hero__keys li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 4px 13px 0;
  background: rgba(6, 17, 14, .55);
  font-size: 14px;
  line-height: 1.6;
  color: rgba(232, 244, 240, .88);
}

.page-disclaimer .rule-hero__key-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--pd-accent);
  flex: none;
}

/* ---------- 主体两栏 ---------- */
.page-disclaimer .rule-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 52px);
  padding-top: clamp(30px, 5vw, 68px);
}

/* ---------- 条款索引 ---------- */
.page-disclaimer .rule-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--muted);
}

.page-disclaimer .rule-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-disclaimer .rule-index__list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .rule-index__list a {
  display: block;
  white-space: nowrap;
  padding: 8px 13px;
  border: 1px solid var(--pd-hair);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
  text-decoration: none;
  transition: color .24s var(--ease), border-color .24s var(--ease);
}

.page-disclaimer .rule-index__list a:hover,
.page-disclaimer .rule-index__list a:focus-visible {
  color: var(--pd-accent);
  border-color: var(--pd-accent-line);
}

/* ---------- 条款块 ---------- */
.page-disclaimer .rule-stack {
  display: grid;
  gap: clamp(6px, 1vw, 12px);
  min-width: 0;
}

.page-disclaimer .rule-block {
  border-top: 1px solid var(--pd-hair);
  min-width: 0;
}

.page-disclaimer .rule-block:last-child {
  border-bottom: 1px solid var(--pd-hair);
}

.page-disclaimer .rule-block__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: clamp(16px, 2.6vw, 26px) 0;
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .rule-block__head:focus-visible {
  outline: 2px solid var(--pd-accent);
  outline-offset: 4px;
}

.page-disclaimer .rule-block__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--pd-accent);
  align-self: start;
  padding-top: .55em;
}

.page-disclaimer .rule-block__title {
  margin: 0;
  font-size: clamp(20px, 3.4vw, 34px);
  line-height: 1.2;
  letter-spacing: .03em;
  font-weight: 700;
  color: var(--text);
  transition: color .24s var(--ease);
}

.page-disclaimer .rule-block__head:hover .rule-block__title {
  color: var(--pd-accent);
}

.page-disclaimer .rule-block__icon {
  position: relative;
  width: 22px;
  height: 22px;
  flex: none;
  border: 1px solid var(--pd-accent-line);
  background: var(--pd-accent-soft);
}

.page-disclaimer .rule-block__icon::before,
.page-disclaimer .rule-block__icon::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  top: 50%;
  height: 1px;
  background: var(--pd-accent);
}

.page-disclaimer .rule-block__icon::before {
  transform: translateY(-50%);
}

.page-disclaimer .rule-block__icon::after {
  transform: translateY(-50%) rotate(90deg);
  transition: transform .28s var(--ease);
}

.page-disclaimer .rule-block[open] .rule-block__icon::after {
  transform: translateY(-50%) rotate(0deg);
}

.page-disclaimer .rule-block__body {
  padding: 0 0 clamp(22px, 3.4vw, 38px);
  max-width: 46em;
}

/* ---------- 条文列表 ---------- */
.page-disclaimer .rule-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-disclaimer .rule-list li {
  position: relative;
  padding-left: 26px;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(232, 244, 240, .86);
}

.page-disclaimer .rule-list li::before {
  content: "";
  position: absolute;
  left: 5px;
  top: .74em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--pd-accent);
  transform: rotate(45deg);
}

/* ---------- 重点约定块 ---------- */
.page-disclaimer .rule-callout {
  margin-top: 20px;
  padding: 16px 20px 19px;
  background: linear-gradient(180deg, rgba(255, 138, 61, .16), rgba(255, 138, 61, .06));
  box-shadow: inset 0 0 0 1px rgba(255, 138, 61, .34);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pd-cut)), calc(100% - var(--pd-cut)) 100%, 0 100%);
}

.page-disclaimer .rule-callout__label {
  margin: 0 0 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--pd-accent);
}

.page-disclaimer .rule-callout p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
}

/* ---------- 执行提示 ---------- */
.page-disclaimer .rule-tip {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--pd-hair);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-disclaimer .rule-tip strong {
  color: var(--pd-accent);
  font-weight: 600;
}

/* ---------- 标注示例 ---------- */
.page-disclaimer .cite-sample {
  margin-top: 20px;
  padding: 16px 18px 18px;
  background: var(--ink-2);
  border-left: 3px solid var(--pd-accent);
  display: grid;
  gap: 9px;
}

.page-disclaimer .cite-sample__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-disclaimer .cite-sample__text {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--grass-soft);
  word-break: break-word;
}

/* ---------- 联系条 ---------- */
.page-disclaimer .contact-strip {
  margin-top: 22px;
  display: grid;
  gap: 1px;
  background: var(--pd-hair);
  border: 1px solid var(--pd-hair);
}

.page-disclaimer .contact-strip__cell {
  padding: 15px 18px;
  background: rgba(10, 31, 26, .72);
}

.page-disclaimer .contact-strip__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--pd-accent);
}

.page-disclaimer .contact-strip__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .rule-hero__keys {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .contact-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-disclaimer .rule-body {
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: start;
  }

  .page-disclaimer .rule-index {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }

  .page-disclaimer .rule-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    border-left: 1px solid var(--pd-hair);
    padding-bottom: 0;
  }

  .page-disclaimer .rule-index__list li {
    position: relative;
  }

  .page-disclaimer .rule-index__list li::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 50%;
    width: 10px;
    height: 1px;
    background: var(--pd-accent-line);
    transform: translateY(-50%);
  }

  .page-disclaimer .rule-index__list a {
    border: 0;
    padding: 9px 0 9px 20px;
    white-space: normal;
    font-size: 12.5px;
    line-height: 1.5;
  }

  .page-disclaimer .rule-block__body {
    padding-left: 34px;
  }

  .page-disclaimer .rule-callout,
  .page-disclaimer .cite-sample {
    max-width: 40em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .rule-block__icon::after,
  .page-disclaimer .rule-block__title,
  .page-disclaimer .rule-index__list a {
    transition: none;
  }
}