.page-disclaimer {
  display: block;
  padding: clamp(20px, 4vw, 48px) var(--gutter) clamp(56px, 8vw, 104px);
  color: var(--white);
}

.page-disclaimer .doc-shell {
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
}

.page-disclaimer .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 36px);
}

/* ---------- 页头 ---------- */
.page-disclaimer .doc-head {
  display: grid;
  gap: 16px;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-disclaimer .doc-head h1 {
  margin: 0;
  font-family: var(--sans);
  font-size: clamp(30px, 6.4vw, 58px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-disclaimer .doc-lead {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 横幅 ---------- */
.page-disclaimer .doc-banner {
  margin: 0 0 clamp(28px, 4vw, 44px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--steel);
  background: var(--navy);
}

.page-disclaimer .doc-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 5;
}

/* ---------- 锚点目录 ---------- */
.page-disclaimer .doc-toc {
  padding: clamp(16px, 3vw, 22px);
  border: 1px solid var(--steel);
  border-radius: var(--radius-lg);
  background: var(--navy);
  margin-bottom: clamp(32px, 5vw, 56px);
}

.page-disclaimer .doc-toc-label {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gray);
  margin-bottom: 12px;
}

.page-disclaimer .doc-toc ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .doc-toc a {
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--steel);
  background: rgba(34, 227, 210, 0.05);
  color: var(--white);
  font-size: 14px;
  text-decoration: none;
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-disclaimer .doc-toc a:hover,
.page-disclaimer .doc-toc a:focus-visible {
  border-color: var(--cyan);
  background: rgba(34, 227, 210, 0.14);
  color: var(--mist);
}

/* ---------- 章节 ---------- */
.page-disclaimer .clause {
  position: relative;
  padding: clamp(28px, 4vw, 46px) 0;
  scroll-margin-top: 140px;
}

.page-disclaimer .clause::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan) 0%, rgba(34, 227, 210, 0.12) 55%, rgba(34, 227, 210, 0) 100%);
}

.page-disclaimer .clause h2 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 16px;
  font-family: var(--sans);
  font-size: clamp(21px, 3vw, 27px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-disclaimer .clause-num {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(34, 227, 210, 0.12);
  border: 1px solid rgba(34, 227, 210, 0.4);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  transform: translateY(-2px);
}

.page-disclaimer .clause p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

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

.page-disclaimer .clause a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 227, 210, 0.35);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

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

.page-disclaimer .clause-note {
  margin-top: 18px !important;
  padding: 14px 18px;
  border-left: 2px solid var(--sand);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgba(255, 183, 135, 0.07);
  font-size: 15px !important;
  color: var(--gray) !important;
}

/* ---------- 规则列表 ---------- */
.page-disclaimer .rule-list {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-disclaimer .rule-list li {
  position: relative;
  padding-left: 24px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray);
}

.page-disclaimer .rule-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.78em;
  width: 8px;
  height: 2px;
  background: var(--cyan);
}

.page-disclaimer .rule-list strong {
  color: var(--white);
  font-weight: 700;
}

.page-disclaimer .rule-list--num {
  counter-reset: rule;
}

.page-disclaimer .rule-list--num li {
  padding-left: 40px;
  counter-increment: rule;
}

.page-disclaimer .rule-list--num li::before {
  content: counter(rule, decimal-leading-zero);
  left: 0;
  top: 0.12em;
  width: auto;
  height: auto;
  background: none;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--lava);
}

/* ---------- 更新节奏时间条 ---------- */
.page-disclaimer .timeline {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-disclaimer .tl-item {
  position: relative;
  padding: 16px 16px 16px 48px;
  border: 1px solid var(--steel);
  border-radius: var(--radius-md);
  background: var(--navy);
  transition: border-color var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}

.page-disclaimer .tl-item::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 30px;
  bottom: -10px;
  width: 2px;
  background: var(--steel);
}

.page-disclaimer .tl-item:last-child::before {
  display: none;
}

.page-disclaimer .tl-item::after {
  content: "";
  position: absolute;
  left: 17px;
  top: 18px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(34, 227, 210, 0.14);
}

.page-disclaimer .tl-item:last-child::after {
  background: var(--lava);
  box-shadow: 0 0 0 4px rgba(255, 106, 43, 0.18);
}

.page-disclaimer .tl-item:hover,
.page-disclaimer .tl-item:focus-within {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-disclaimer .tl-when {
  display: block;
  margin-bottom: 4px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--lava);
}

.page-disclaimer .tl-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}

.page-disclaimer .tl-detail {
  margin: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  transition: max-height var(--t-base) var(--ease), opacity var(--t-base) var(--ease), margin var(--t-base) var(--ease);
}

.page-disclaimer .tl-item:hover .tl-detail,
.page-disclaimer .tl-item:focus-within .tl-detail {
  max-height: 160px;
  opacity: 1;
  margin-top: 8px;
}

/* ---------- 折叠条目 ---------- */
.page-disclaimer .fold {
  margin-top: 14px;
  border: 1px solid var(--steel);
  border-radius: var(--radius-md);
  background: var(--navy);
  overflow: hidden;
}

.page-disclaimer .fold + .fold {
  margin-top: 10px;
}

.page-disclaimer .fold summary {
  padding: 14px 18px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  list-style: none;
}

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

.page-disclaimer .fold summary::after {
  content: "+";
  float: right;
  font-family: var(--mono);
  color: var(--cyan);
}

.page-disclaimer .fold[open] summary {
  color: var(--cyan);
}

.page-disclaimer .fold[open] summary::after {
  content: "−";
}

.page-disclaimer .fold summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-disclaimer .fold-body {
  padding: 0 18px 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray);
}

/* ---------- 底部入口 ---------- */
.page-disclaimer .doc-cta {
  margin-top: clamp(32px, 5vw, 56px);
  padding: clamp(22px, 4vw, 32px);
  border: 1px solid var(--steel);
  border-radius: var(--radius-lg);
  background: linear-gradient(140deg, rgba(34, 227, 210, 0.1) 0%, rgba(15, 35, 56, 0.9) 60%);
}

.page-disclaimer .doc-cta h2 {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.6vw, 24px);
  font-weight: 800;
  color: var(--white);
}

.page-disclaimer .doc-cta p {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-disclaimer .doc-cta a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 227, 210, 0.35);
}

.page-disclaimer .doc-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-disclaimer .doc-cta-actions .btn {
  text-decoration: none;
  border-bottom: none;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 780px) {
  .page-disclaimer .doc-shell {
    max-width: 940px;
  }

  .page-disclaimer .timeline {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
  }

  .page-disclaimer .tl-item {
    padding: 40px 18px 20px;
    border-radius: 0;
    border-right: none;
  }

  .page-disclaimer .tl-item:first-child {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
  }

  .page-disclaimer .tl-item:last-child {
    border-right: 1px solid var(--steel);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
  }

  .page-disclaimer .tl-item::before {
    left: 0;
    right: 0;
    top: 20px;
    bottom: auto;
    width: auto;
    height: 2px;
  }

  .page-disclaimer .tl-item:first-child::before {
    left: 22px;
  }

  .page-disclaimer .tl-item:last-child::before {
    display: block;
    right: 22px;
  }

  .page-disclaimer .tl-item::after {
    top: 15px;
    left: 22px;
  }

  .page-disclaimer .tl-item:hover,
  .page-disclaimer .tl-item:focus-within {
    transform: translateY(-2px);
  }
}

@media (min-width: 1080px) {
  .page-disclaimer .clause {
    padding-left: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .tl-item,
  .page-disclaimer .tl-detail,
  .page-disclaimer .doc-toc a,
  .page-disclaimer .clause a {
    transition: none;
  }

  .page-disclaimer .tl-item:hover,
  .page-disclaimer .tl-item:focus-within {
    transform: none;
  }
}