/* ============ 网站声明 · 页面专属样式 ============ */

.page-disclaimer .doc-inner {
  max-width: 940px;
  margin-inline: auto;
}

/* ---------- 页首 ---------- */
.page-disclaimer .doc-hero {
  padding-block: clamp(18px, 3vw, 32px) clamp(22px, 3.4vw, 36px);
}

.page-disclaimer .doc-h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 6vw, 54px);
  font-weight: 800;
  font-style: italic;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-disclaimer .doc-lede {
  margin: 18px 0 0;
  max-width: 38em;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.9;
  color: var(--cyan-soft);
}

.page-disclaimer .doc-figure {
  margin: clamp(22px, 3.6vw, 38px) 0 clamp(30px, 5vw, 54px);
}

/* ---------- 目录 + 正文双栏 ---------- */
.page-disclaimer .doc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 40px);
  align-items: start;
}

.page-disclaimer .doc-toc {
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-disclaimer .doc-toc .toc-title {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-disclaimer .doc-toc .toc-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .doc-toc .toc-link {
  display: block;
  padding: 9px 0 9px 16px;
  margin-left: -1px;
  border-left: 2px solid transparent;
  font-size: 13px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-disclaimer .doc-toc .toc-link:hover,
.page-disclaimer .doc-toc .toc-link:focus-visible {
  color: var(--paper);
}

.page-disclaimer .doc-toc .toc-link[aria-current="true"] {
  color: var(--cyan);
  border-left-color: var(--cyan);
}

/* ---------- 章节 ---------- */
.page-disclaimer .doc-section {
  padding-block: clamp(30px, 5vw, 52px);
  border-top: 1px solid var(--line);
}

.page-disclaimer .doc-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-disclaimer .doc-section-head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 22px);
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-disclaimer .doc-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(44px, 8vw, 78px);
  font-weight: 700;
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: var(--cyan);
}

.page-disclaimer .doc-section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.6vw, 32px);
  font-weight: 800;
  font-style: italic;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-disclaimer .doc-prose {
  max-width: 38em;
}

.page-disclaimer .doc-prose p {
  margin: 0 0 1.15em;
  font-size: 17px;
  line-height: 1.92;
  color: var(--paper);
}

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

/* ---------- 重要提示 ---------- */
.page-disclaimer .doc-note {
  margin-top: clamp(24px, 3.4vw, 36px);
  max-width: 38em;
  border: 1px solid rgba(255, 194, 74, 0.38);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 194, 74, 0.08), rgba(255, 194, 74, 0.02));
}

.page-disclaimer .doc-note .disclosure-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 20px;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--amber);
}

.page-disclaimer .doc-note .disclosure-summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .doc-note .disclosure-summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--amber);
}

.page-disclaimer .doc-note[open] .disclosure-summary::after {
  content: "\2013";
}

.page-disclaimer .doc-note .disclosure-body {
  padding: 0 20px 18px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--paper);
}

.page-disclaimer .doc-note .disclosure-body p {
  margin: 0;
}

/* ---------- 收束卡片 ---------- */
.page-disclaimer .doc-footnote {
  margin-top: clamp(44px, 7vw, 80px);
  padding: clamp(22px, 3.4vw, 34px);
}

.page-disclaimer .doc-footnote-text {
  margin: 12px 0 22px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.9;
  color: var(--paper);
  opacity: 0.88;
}

/* ---------- 断点 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .doc-layout {
    grid-template-columns: 176px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
  }

  .page-disclaimer .doc-toc {
    position: sticky;
    top: 132px;
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-top: 0;
    padding-left: 2px;
  }
}

@media (max-width: 559px) {
  .page-disclaimer .doc-section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .page-disclaimer .doc-num {
    font-size: 40px;
    line-height: 1;
  }

  .page-disclaimer .doc-note .disclosure-summary,
  .page-disclaimer .doc-note .disclosure-body {
    padding-inline: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-toc .toc-link {
    transition: none;
  }
}