.page-disclaimer {
  --doc-lead: clamp(34px, 6vw, 72px);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .doc-hero {
  padding-bottom: clamp(20px, 3vw, 34px);
}

.page-disclaimer .doc-hero .breadcrumbs {
  margin-bottom: clamp(22px, 4vw, 40px);
}

.page-disclaimer .doc-hero__title {
  margin: 10px 0 20px;
  letter-spacing: .02em;
}

.page-disclaimer .doc-hero__lede {
  max-width: 60ch;
  color: var(--paper-dim);
}

.page-disclaimer .doc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}

.page-disclaimer .doc-hero__meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}

.page-disclaimer .doc-hero__meta li::before {
  content: "";
  width: 7px;
  height: 1px;
  background: var(--cyan);
  transform: translateY(-4px);
}

/* ---------- 首屏横幅 ---------- */
.page-disclaimer .doc-banner {
  margin-top: clamp(24px, 4vw, 44px);
}

@media (min-width: 780px) {
  .page-disclaimer .doc-banner {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 42px), 0 100%);
  }
}

/* ---------- 条款索引 ---------- */
.page-disclaimer .doc-index {
  padding-top: clamp(30px, 5vw, 54px);
}

.page-disclaimer .doc-index .eyebrow {
  margin-bottom: 14px;
}

.page-disclaimer .clause-nav {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-disclaimer .clause-nav li {
  background: var(--ink-900);
}

.page-disclaimer .clause-nav a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 18px;
  color: var(--paper);
  text-decoration: none;
  font-size: 15px;
  transition: background var(--t-fast), color var(--t-fast), padding-left var(--t-fast);
}

.page-disclaimer .clause-nav a:hover {
  background: var(--ink-800);
  color: var(--cyan);
  padding-left: 24px;
}

.page-disclaimer .clause-nav__num {
  font-size: 12px;
  color: var(--orange);
  letter-spacing: .08em;
}

/* ---------- 条款区块 ---------- */
.page-disclaimer .clause {
  padding-top: clamp(34px, 5vw, 56px);
  padding-bottom: clamp(34px, 5vw, 56px);
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-disclaimer .clause__inner {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.page-disclaimer .clause__head {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.page-disclaimer .clause__num {
  display: block;
  margin-bottom: 8px;
}

.page-disclaimer .clause__title {
  margin: 0 0 8px;
}

.page-disclaimer .clause__kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-disclaimer .clause__list {
  counter-reset: clause;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .clause__list li {
  counter-increment: clause;
  position: relative;
  max-width: 64ch;
  padding: 15px 0 15px 48px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper-dim);
  transition: background var(--t-fast), color var(--t-fast);
}

.page-disclaimer .clause__list li::before {
  content: counter(clause, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 19px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--orange);
}

.page-disclaimer .clause__list li::after {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: var(--orange);
  opacity: 0;
  transition: opacity var(--t-fast);
}

.page-disclaimer .clause__list li:hover {
  background: linear-gradient(90deg, rgba(255, 90, 43, .09), transparent 62%);
  color: var(--paper);
}

.page-disclaimer .clause__list li:hover::after {
  opacity: 1;
}

.page-disclaimer .clause__list a,
.page-disclaimer .clause__note a,
.page-disclaimer .prev-notes__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 208, .4);
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-disclaimer .clause__list a:hover,
.page-disclaimer .clause__note a:hover,
.page-disclaimer .prev-notes__body a:hover {
  color: var(--paper);
  border-color: var(--paper);
}

.page-disclaimer .clause__note {
  max-width: 64ch;
  margin: 26px 0 0;
  padding: 14px 18px;
  background: var(--ink-800);
  border-left: 2px solid var(--blue);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 版本折叠 ---------- */
.page-disclaimer .prev-notes {
  margin-top: 26px;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-disclaimer .prev-notes summary {
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan);
  transition: color var(--t-fast), background var(--t-fast);
}

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

.page-disclaimer .prev-notes summary::before {
  content: "+";
  display: inline-block;
  width: 16px;
  color: var(--orange);
}

.page-disclaimer .prev-notes[open] summary::before {
  content: "−";
}

.page-disclaimer .prev-notes summary:hover {
  background: var(--ink-700);
  color: var(--paper);
}

.page-disclaimer .prev-notes__body {
  padding: 4px 18px 20px;
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .prev-notes__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .prev-notes__list li {
  position: relative;
  max-width: 62ch;
  padding: 8px 0 8px 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-disclaimer .prev-notes__list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--orange);
}

.page-disclaimer .prev-notes__stamp {
  margin: 16px 0 0;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .06em;
}

/* ---------- 反馈面板 ---------- */
.page-disclaimer .fb-panel {
  max-width: 64ch;
  padding: clamp(18px, 3vw, 28px);
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-left: 2px solid var(--magenta);
}

.page-disclaimer .fb-panel__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
}

.page-disclaimer .fb-panel__mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin: 0;
}

.page-disclaimer .fb-panel__addr {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 19px);
  color: var(--cyan);
  word-break: break-all;
}

.page-disclaimer .fb-panel .copy-btn {
  flex: 0 0 auto;
}

.page-disclaimer .fb-panel__hint {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.page-disclaimer .clause__list--tight {
  margin-top: 26px;
}

.page-disclaimer .clause--last {
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 480px) {
  .page-disclaimer .clause__list li {
    padding-left: 38px;
  }

  .page-disclaimer .clause__list li::before {
    top: 20px;
  }

  .page-disclaimer .doc-hero__meta {
    gap: 6px 16px;
  }
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .clause-nav {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-disclaimer .clause__inner {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }

  .page-disclaimer .clause__head {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-disclaimer .clause__body {
    min-width: 0;
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .clause__inner {
    grid-template-columns: 280px minmax(0, 1fr);
  }
}