/* ===== 使用说明页（page-disclaimer）专属样式 ===== */

.page-disclaimer {
  --disc-rule: repeating-linear-gradient(
    to right,
    var(--color-line) 0 1px,
    transparent 1px 11px
  );
  background-color: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------- 页面头部 ---------- */
.page-disclaimer .disc-head {
  position: relative;
  padding: var(--space-6) 0 var(--space-8);
  background:
    radial-gradient(ellipse 70% 55% at 92% 2%, var(--color-primary-soft) 0%, transparent 68%),
    var(--color-surface);
}

.page-disclaimer .disc-head .breadcrumb {
  margin: 0 0 var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-disclaimer .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.page-disclaimer .breadcrumb li + li::before {
  content: "/";
  color: var(--color-line);
}

.page-disclaimer .breadcrumb a {
  color: var(--color-ink-soft);
  text-decoration: none;
  transition: color 0.18s ease;
}

.page-disclaimer .breadcrumb a:hover {
  color: var(--color-primary);
}

.page-disclaimer .breadcrumb [aria-current="page"] {
  color: var(--color-ink);
}

.page-disclaimer .disc-hero {
  display: grid;
  gap: var(--space-6);
}

.page-disclaimer .disc-hero h1 {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  max-width: 20ch;
}

.page-disclaimer .disc-hero .lede {
  margin: 0;
  max-width: 56ch;
  color: var(--color-ink-soft);
}

.page-disclaimer .disc-hero-media {
  margin: 0;
}

.page-disclaimer .disc-hero-media .media-frame {
  aspect-ratio: 7 / 4;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-deep);
  box-shadow: var(--shadow-1);
}

.page-disclaimer .disc-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-disclaimer .media-caption {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-ink-muted);
}

/* 刻度条：08 */
.page-disclaimer .disc-meter {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-8);
  padding-top: var(--space-2);
}

.page-disclaimer .disc-meter-line {
  flex: 1 1 auto;
  height: 10px;
  border-radius: var(--radius-pill);
  background-image: var(--disc-rule);
}

.page-disclaimer .disc-meter-value {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-primary);
}

.page-disclaimer .disc-meter-note {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
  white-space: nowrap;
}

/* ---------- 条款目录（吸顶） ---------- */
.page-disclaimer .disc-toc {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--color-surface-deep);
  padding: var(--space-2) 0;
}

.page-disclaimer .disc-toc-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-disclaimer .disc-toc-label {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  white-space: nowrap;
}

.page-disclaimer .disc-toc-list {
  display: flex;
  gap: var(--space-1);
  margin: 0;
  padding: 0 0 var(--space-1);
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-disclaimer .disc-toc-list a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.page-disclaimer .disc-toc-list a:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.page-disclaimer .disc-toc-list .num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
}

/* ---------- 分区与条款 ---------- */
.page-disclaimer .disc-group {
  padding: var(--space-8) 0;
}

.page-disclaimer .disc-group--alt {
  background: var(--color-surface-alt);
}

.page-disclaimer .disc-group--soft {
  background: var(--color-primary-soft);
}

.page-disclaimer .disc-group--highlight {
  background: var(--color-highlight);
}

.page-disclaimer .disc-clause {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  position: relative;
  scroll-margin-top: 96px;
}

.page-disclaimer .disc-clause + .disc-clause {
  margin-top: var(--space-8);
  padding-top: var(--space-8);
}

.page-disclaimer .disc-clause + .disc-clause::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 84px;
  height: 10px;
  background-image: var(--disc-rule);
  border-radius: var(--radius-pill);
}

.page-disclaimer .disc-clause-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

.page-disclaimer .disc-clause-title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-disclaimer .disc-clause-body .prose p {
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-disclaimer .disc-clause-body .prose > :last-child {
  margin-bottom: 0;
}

.page-disclaimer .disc-clause-body .prose ul {
  margin: 0 0 var(--space-3);
  padding-left: 1.25em;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-disclaimer .disc-clause-body .prose li {
  margin-bottom: var(--space-1);
}

.page-disclaimer .disc-clause-body .prose li::marker {
  color: var(--color-accent);
}

.page-disclaimer .disc-clause-body .prose a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.18s ease;
}

.page-disclaimer .disc-clause-body .prose a:hover {
  color: var(--color-accent);
}

/* ---------- 版本徽标 ---------- */
.page-disclaimer .disc-versions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-4);
}

.page-disclaimer .disc-badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
  color: var(--color-ink-soft);
  cursor: help;
  transition: color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.page-disclaimer .disc-badge:first-child {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.page-disclaimer .disc-badge:hover,
.page-disclaimer .disc-badge:focus-visible {
  transform: translateY(-2px);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.page-disclaimer .disc-badge:first-child:hover,
.page-disclaimer .disc-badge:first-child:focus-visible {
  color: var(--color-accent-ink);
}

.page-disclaimer .disc-badge::after {
  content: attr(data-round);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 8px);
  width: max-content;
  max-width: 240px;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  background: var(--color-surface-deep);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  line-height: 1.55;
  box-shadow: var(--shadow-1);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 4px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
  pointer-events: none;
  z-index: 6;
}

.page-disclaimer .disc-badge:hover::after,
.page-disclaimer .disc-badge:focus-visible::after {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

/* ---------- 折叠块 ---------- */
.page-disclaimer .disc-fold {
  max-width: var(--measure);
  margin-top: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  overflow: hidden;
}

.page-disclaimer .disc-fold > summary {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3);
  cursor: pointer;
  list-style: none;
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  color: var(--color-primary);
  transition: color 0.18s ease;
}

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

.page-disclaimer .disc-fold > summary::before {
  content: "+";
  flex: none;
  width: 1em;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  line-height: 1;
  color: var(--color-accent);
}

.page-disclaimer .disc-fold[open] > summary::before {
  content: "\2212";
}

.page-disclaimer .disc-fold > summary:hover {
  color: var(--color-accent);
}

.page-disclaimer .disc-fold .prose {
  padding: 0 var(--space-3) var(--space-3);
}

/* ---------- 引用格式示例（深色记分牌底） ---------- */
.page-disclaimer .disc-cite {
  max-width: 620px;
  margin-top: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  box-shadow: var(--shadow-2);
}

.page-disclaimer .disc-cite-label {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-contrast-accent);
}

.page-disclaimer .disc-cite-sample {
  margin: 0;
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--color-contrast-ink) 9%, transparent);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.95;
  color: var(--color-contrast-ink);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  -webkit-user-select: all;
  user-select: all;
  cursor: text;
}

.page-disclaimer .disc-cite-hint {
  margin: var(--space-2) 0 0;
  font-size: var(--text-xs);
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-contrast-ink) 70%, transparent);
}

/* ---------- 页尾条 ---------- */
.page-disclaimer .disc-tail {
  padding: var(--space-8) 0;
  background: var(--color-surface-deep);
}

.page-disclaimer .disc-tail-inner {
  display: grid;
  gap: var(--space-4);
}

.page-disclaimer .disc-tail-title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-disclaimer .disc-tail-text {
  margin: 0;
  max-width: 62ch;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-disclaimer .disc-tail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ---------- 焦点与交互 ---------- */
.page-disclaimer a:focus-visible,
.page-disclaimer summary:focus-visible,
.page-disclaimer .disc-cite-sample:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-disclaimer .disc-head {
    padding: var(--space-8) 0 var(--space-8);
  }

  .page-disclaimer .disc-toc-inner {
    flex-direction: row;
    align-items: center;
    gap: var(--space-4);
  }

  .page-disclaimer .disc-toc-list {
    flex: 1 1 auto;
    flex-wrap: wrap;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .disc-clause {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: var(--space-4);
    align-items: start;
  }

  .page-disclaimer .disc-clause-num {
    font-size: var(--text-4xl);
    text-align: right;
  }

  .page-disclaimer .disc-clause-title {
    font-size: var(--text-2xl);
  }

  .page-disclaimer .disc-tail-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: var(--space-6);
  }
}

@media (min-width: 980px) {
  .page-disclaimer .disc-hero {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: center;
    gap: var(--space-8);
  }

  .page-disclaimer .disc-hero h1 {
    font-size: var(--text-4xl);
  }

  .page-disclaimer .disc-hero-media {
    align-self: stretch;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .page-disclaimer .disc-group {
    padding: var(--section-y) 0;
  }
}

@media (max-width: 420px) {
  .page-disclaimer .disc-meter {
    flex-wrap: wrap;
    gap: var(--space-1) var(--space-2);
  }

  .page-disclaimer .disc-meter-line {
    flex: 1 0 100%;
    order: 3;
  }
}
<<<END>>>