.page-disclaimer {
  --pd-accent: var(--cyan);
  --pd-lead-width: 66ch;
  padding-block: clamp(18px, 3vw, 30px) clamp(56px, 8vw, 104px);
  background-image:
    radial-gradient(900px 420px at 84% -8%, rgba(47, 227, 208, 0.10), transparent 70%),
    radial-gradient(700px 380px at 4% 6%, rgba(246, 185, 59, 0.06), transparent 70%);
}

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

.page-disclaimer .breadcrumbs {
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-disclaimer .breadcrumbs a {
  color: var(--text-dim);
  text-decoration: none;
}

.page-disclaimer .breadcrumbs a:hover,
.page-disclaimer .breadcrumbs a:focus-visible {
  color: var(--cyan);
}

/* ---------- Hero ---------- */

.page-disclaimer .usage-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.6vw, 46px);
  align-items: center;
  padding-block: clamp(10px, 2vw, 20px) clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .hero-copy {
  min-width: 0;
}

.page-disclaimer .usage-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.16;
  font-size: clamp(27px, 4.6vw, 52px);
  color: var(--text);
}

.page-disclaimer .hero-lead {
  margin: 16px 0 0;
  max-width: 58ch;
  color: var(--text-dim);
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 1.85;
}

.page-disclaimer .hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
}

.page-disclaimer .hero-stamp {
  margin-left: 4px;
  padding-left: 12px;
  border-left: 1px solid var(--line);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--text-mute);
}

.page-disclaimer .hero-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-800);
  box-shadow: var(--shadow-panel);
}

.page-disclaimer .hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 目录条 ---------- */

.page-disclaimer .usage-toc {
  margin-top: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--line);
}

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

.page-disclaimer .toc-list > li {
  background: var(--ink-800);
  min-width: 0;
}

.page-disclaimer .toc-list a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 13px 14px;
  text-decoration: none;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.4;
  transition: color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-disclaimer .toc-list a:hover,
.page-disclaimer .toc-list a:focus-visible {
  color: var(--cyan);
  background: rgba(47, 227, 208, 0.07);
}

.page-disclaimer .toc-idx {
  font-size: 11.5px;
  color: var(--text-mute);
  flex: none;
}

.page-disclaimer .toc-list a:hover .toc-idx,
.page-disclaimer .toc-list a:focus-visible .toc-idx {
  color: var(--gold);
}

.page-disclaimer .toc-label {
  min-width: 0;
}

/* ---------- 规则小节 ---------- */

.page-disclaimer .rule-block {
  display: grid;
  grid-template-columns: 4px minmax(0, 1fr);
  column-gap: clamp(14px, 2.4vw, 32px);
  padding-block: clamp(28px, 4vw, 46px);
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: 92px;
  --accent: var(--cyan);
}

.page-disclaimer .rule-block.accent-cyan { --accent: var(--cyan); }
.page-disclaimer .rule-block.accent-gold { --accent: var(--gold); }
.page-disclaimer .rule-block.accent-magenta { --accent: var(--magenta); }

.page-disclaimer .rule-rail {
  display: block;
  align-self: stretch;
  border-radius: 1px;
  background: var(--accent);
  opacity: 0.85;
}

.page-disclaimer .rule-main {
  min-width: 0;
}

.page-disclaimer .rule-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-disclaimer .rule-idx {
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.2vw, 26px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.page-disclaimer .rule-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: clamp(20px, 2.3vw, 27px);
  line-height: 1.32;
  color: var(--text);
}

.page-disclaimer .rule-head .tag {
  margin-left: auto;
}

.page-disclaimer .rule-lead {
  margin: 16px 0 0;
  max-width: var(--pd-lead-width);
  color: var(--text-dim);
  font-size: 15.5px;
  line-height: 1.85;
}

.page-disclaimer .rule-lead + .rule-lead {
  margin-top: 14px;
}

.page-disclaimer .rule-lead a,
.page-disclaimer .rule-list a,
.page-disclaimer .notice-text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 208, 0.35);
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-disclaimer .rule-lead a:hover,
.page-disclaimer .rule-list a:hover,
.page-disclaimer .notice-text a:hover,
.page-disclaimer .rule-lead a:focus-visible,
.page-disclaimer .rule-list a:focus-visible,
.page-disclaimer .notice-text a:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
}

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

.page-disclaimer .rule-list li {
  position: relative;
  padding-left: 24px;
  max-width: var(--pd-lead-width);
  color: var(--text-dim);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-disclaimer .rule-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 12px;
  height: 1px;
  background: var(--accent);
}

.page-disclaimer .rule-list strong {
  color: var(--text);
  font-weight: 600;
}

/* ---------- 步骤列表 ---------- */

.page-disclaimer .step-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 1px;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-disclaimer .step-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 12px 16px;
  background: var(--ink-800);
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.72;
}

.page-disclaimer .step-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--accent);
  padding-top: 3px;
  white-space: nowrap;
}

/* ---------- 折叠说明 ---------- */

.page-disclaimer .rule-more {
  margin-top: 22px;
  max-width: var(--pd-lead-width);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 23, 54, 0.62);
}

.page-disclaimer .rule-more summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  list-style: none;
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.5;
  transition: color 180ms var(--ease);
}

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

.page-disclaimer .rule-more summary::after {
  content: "展开";
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-disclaimer .rule-more[open] summary::after {
  content: "收起";
}

.page-disclaimer .rule-more summary:hover,
.page-disclaimer .rule-more summary:focus-visible {
  color: var(--cyan);
}

.page-disclaimer .rule-more[open] summary {
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .rule-more-body {
  padding: 14px 16px 16px;
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.82;
}

.page-disclaimer .rule-more-body p {
  margin: 0;
}

/* ---------- 结尾提示条 ---------- */

.page-disclaimer .rule-notice {
  margin-top: clamp(32px, 5vw, 58px);
  display: grid;
  gap: 18px;
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid rgba(74, 222, 128, 0.42);
  border-radius: var(--radius);
  background: rgba(74, 222, 128, 0.06);
}

.page-disclaimer .notice-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 1.9vw, 20px);
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-disclaimer .notice-text {
  margin: 10px 0 0;
  max-width: 62ch;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.82;
}

.page-disclaimer .notice-action {
  justify-self: start;
  white-space: nowrap;
}

/* ---------- 响应式 ---------- */

@media (min-width: 560px) {
  .page-disclaimer .toc-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-disclaimer .usage-hero {
    grid-template-columns: minmax(0, 1.14fr) minmax(0, 0.86fr);
    align-items: end;
  }

  .page-disclaimer .toc-list {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-disclaimer .rule-notice {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-disclaimer .notice-action {
    justify-self: end;
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .rule-block {
    column-gap: 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .toc-list a,
  .page-disclaimer .rule-more summary,
  .page-disclaimer .rule-lead a,
  .page-disclaimer .rule-list a,
  .page-disclaimer .notice-text a {
    transition: none;
  }
}