.page-disclaimer {
  --doc-clause-pad: clamp(24px, 3.4vw, 40px);
  --doc-measure: 68ch;
  padding-bottom: clamp(48px, 8vw, 104px);
}

/* ============ 首屏：无 Hero，直接给目录上下文 ============ */
.page-disclaimer .doc-hero {
  padding-top: clamp(20px, 3vw, 36px);
  padding-bottom: clamp(24px, 3.6vw, 44px);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(110, 30, 60, 0.34) 0%, rgba(7, 11, 28, 0) 78%);
}

.page-disclaimer .doc-hero .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-disclaimer .doc-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-disclaimer h1 {
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-size: clamp(34px, 7vw, 62px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--paper);
}

.page-disclaimer .doc-lead {
  margin: 0 0 clamp(20px, 3vw, 30px);
  max-width: var(--doc-measure);
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--mist);
}

.page-disclaimer .doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .doc-meta li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-disclaimer .meta-key {
  color: var(--mist);
  letter-spacing: 0.14em;
}

/* ============ 摘要 + 信息图 ============ */
.page-disclaimer .doc-brief-wrap {
  padding-top: clamp(24px, 3.6vw, 44px);
}

.page-disclaimer .doc-brief {
  border: 1px solid var(--line);
  border-left: 3px solid var(--wine);
  border-radius: var(--radius);
  background: var(--ink-2);
  padding: clamp(18px, 2.6vw, 28px) clamp(18px, 2.6vw, 30px);
}

.page-disclaimer .doc-brief summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  list-style: none;
}

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

.page-disclaimer .doc-brief summary::before {
  content: "＋ ";
  color: var(--orange);
}

.page-disclaimer .doc-brief[open] summary::before {
  content: "－ ";
}

.page-disclaimer .doc-brief-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-disclaimer .doc-brief-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}

.page-disclaimer .doc-brief-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 9px;
  height: 2px;
  background: var(--cyan);
}

.page-disclaimer .doc-brief-note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-disclaimer .doc-figure {
  margin: clamp(24px, 3.6vw, 40px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
  overflow: hidden;
}

.page-disclaimer .doc-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .doc-figure .media-caption {
  padding: 14px clamp(16px, 2.4vw, 22px);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ============ 主布局：目录 + 条款 ============ */
.page-disclaimer .doc-layout {
  padding-top: clamp(32px, 5vw, 64px);
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-disclaimer .doc-toc {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
  padding: 18px 16px;
}

.page-disclaimer .toc-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-disclaimer .toc-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
}

.page-disclaimer .toc-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  color: var(--mist);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.page-disclaimer .toc-link:hover,
.page-disclaimer .toc-link:focus-visible {
  color: var(--paper);
  border-left-color: var(--cyan);
  background: rgba(34, 224, 214, 0.07);
  outline: none;
}

.page-disclaimer .toc-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--cyan);
}

/* ============ 条款长文 ============ */
.page-disclaimer .doc-clauses {
  min-width: 0;
}

.page-disclaimer .clause {
  padding: var(--doc-clause-pad) 0;
  border-top: 1px solid var(--line);
}

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

.page-disclaimer .clause-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-disclaimer .clause-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-disclaimer .clause-title {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-disclaimer .clause-band {
  display: block;
  width: 72px;
  height: 3px;
  margin: 16px 0 0;
  background: var(--wine);
}

.page-disclaimer .clause--indigo .clause-band {
  background: var(--indigo);
}

.page-disclaimer .clause-body {
  margin-top: 20px;
  max-width: var(--doc-measure);
}

.page-disclaimer .clause-body p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--paper);
}

.page-disclaimer .clause-body ul {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-disclaimer .clause-body li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper);
}

.page-disclaimer .clause-body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 2px;
  background: var(--mist);
}

.page-disclaimer .clause-body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 214, 0.42);
}

.page-disclaimer .clause-body a:hover,
.page-disclaimer .clause-body a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
  outline: none;
}

/* 边界示意图 */
.page-disclaimer .boundary-svg {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 4px 0 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
}

/* ============ 联系档案 ============ */
.page-disclaimer .doc-contact {
  margin-top: clamp(32px, 4.6vw, 56px);
  padding: clamp(22px, 3.2vw, 34px);
  border: 1px solid var(--line);
  border-top: 3px solid var(--label);
  border-radius: var(--radius);
  background: var(--ink-2);
}

.page-disclaimer .doc-contact-title {
  margin: 0 0 12px;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  color: var(--paper);
}

.page-disclaimer .doc-contact-lead {
  margin: 0 0 22px;
  max-width: var(--doc-measure);
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-disclaimer .doc-contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-disclaimer .doc-contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 11, 28, 0.55);
}

.page-disclaimer .doc-contact-key {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-disclaimer .doc-contact-val {
  flex: 1 1 220px;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-disclaimer .copy-btn {
  flex: 0 0 auto;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease, background-color 0.18s ease;
}

.page-disclaimer .copy-btn:hover,
.page-disclaimer .copy-btn:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  outline: none;
}

.page-disclaimer .copy-btn[data-copied] {
  border-color: var(--ok);
  color: var(--ok);
}

.page-disclaimer .copy-btn[data-copied]::after {
  content: " 已复制";
  color: var(--ok);
}

.page-disclaimer .doc-contact-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

/* ============ 断点 ============ */
@media (min-width: 720px) {
  .page-disclaimer .toc-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .doc-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }

  .page-disclaimer .doc-toc {
    position: sticky;
    top: calc(var(--topbar-h) + 24px);
    max-height: calc(100vh - var(--topbar-h) - 48px);
    overflow-y: auto;
  }

  .page-disclaimer .toc-list {
    grid-template-columns: minmax(0, 1fr);
  }
}

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