.page-disclaimer {
  --rule-toc-w: 268px;
  --rule-hover: rgba(255, 107, 61, 0.07);
  --rule-soft-line: rgba(59, 240, 160, 0.07);
  padding-bottom: clamp(56px, 8vw, 96px);
}

/* ---------- 面包屑 ---------- */

.page-disclaimer .crumb {
  padding-top: clamp(18px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */

.page-disclaimer .rule-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 46px) 0 clamp(26px, 4vw, 44px);
  border-bottom: 1px solid var(--rule);
}

.page-disclaimer .rule-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-disclaimer .rule-hero-grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 92px 92px;
  -webkit-mask-image: linear-gradient(170deg, rgba(0, 0, 0, 0.7), transparent 82%);
  mask-image: linear-gradient(170deg, rgba(0, 0, 0, 0.7), transparent 82%);
  opacity: 0.55;
}

.page-disclaimer h1 {
  margin: 14px 0 0;
  max-width: 20ch;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(1.95rem, 5vw, 3.35rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-disclaimer .rule-hero-lead {
  margin: 18px 0 0;
  max-width: 60ch;
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.78;
}

.page-disclaimer .rule-hero-meta {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--rule-strong);
  font-size: 12.5px;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-disclaimer .rule-hero-meta .mono {
  color: var(--gold);
  font-size: 13px;
}

/* ---------- 横幅 ---------- */

.page-disclaimer .rule-banner {
  margin: clamp(24px, 4vw, 40px) 0 clamp(26px, 4vw, 42px);
  border: 2px solid var(--rule-strong);
  background: var(--surface-deep);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-disclaimer .rule-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 5;
  object-fit: cover;
}

.page-disclaimer .rule-banner .media-cap {
  padding: 10px 14px;
  border-top: 1px solid var(--rule);
  background: var(--surface-deep);
}

/* ---------- 主体两栏 ---------- */

.page-disclaimer .rule-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

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

/* ---------- 右侧目录 ---------- */

.page-disclaimer .rule-toc {
  order: -1;
  margin-bottom: clamp(26px, 4vw, 36px);
  padding: 16px 14px 14px;
  border: 1px solid var(--rule-strong);
  background: var(--surface-raised);
  box-shadow: var(--shadow-hard);
}

.page-disclaimer .rule-toc-title {
  margin: 0 0 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-disclaimer .rule-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-disclaimer .rule-toc a {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  color: var(--text-soft);
  font-size: 13.5px;
  line-height: 1.55;
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.page-disclaimer .rule-toc a:hover,
.page-disclaimer .rule-toc a:focus-visible {
  color: var(--text);
  border-left-color: var(--accent);
  background: var(--rule-soft-line);
}

.page-disclaimer .rule-toc-no {
  color: var(--gold);
  font-size: 11.5px;
  letter-spacing: 0.1em;
}

.page-disclaimer .rule-toc .note {
  margin: 12px 2px 0;
  padding-top: 10px;
  border-top: 1px solid var(--rule);
}

/* ---------- 条款小节 ---------- */

.page-disclaimer .rule-block {
  position: relative;
  padding: clamp(22px, 3vw, 32px) 0 clamp(22px, 3vw, 32px) clamp(14px, 2vw, 22px);
  border-top: 1px solid var(--rule);
  border-left: 3px solid transparent;
  transition: border-left-color 0.2s ease, background-color 0.2s ease;
}

.page-disclaimer .rule-block:last-of-type {
  border-bottom: 1px solid var(--rule);
}

.page-disclaimer .rule-block:hover,
.page-disclaimer .rule-block:target {
  border-left-color: var(--alert);
  background: linear-gradient(90deg, var(--rule-hover), transparent 68%);
}

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

.page-disclaimer .rule-no {
  flex: none;
  padding: 4px 8px;
  border: 1px solid var(--rule-strong);
  color: var(--gold);
  font-size: 12.5px;
  line-height: 1;
  letter-spacing: 0.12em;
}

.page-disclaimer .rule-head h2 {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.page-disclaimer .rule-head h2 a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px dashed transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-disclaimer .rule-head h2 a:hover,
.page-disclaimer .rule-head h2 a:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

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

.page-disclaimer .rule-body > p {
  margin: 0 0 16px;
  max-width: 66ch;
  color: var(--text-soft);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-disclaimer .rule-body > p .mono {
  color: var(--text);
}

.page-disclaimer .rule-body > p:nth-of-type(2) {
  margin-top: 18px;
}

/* ---------- 条目列表 ---------- */

.page-disclaimer .rule-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  border: 1px solid var(--rule);
  background: var(--rule);
}

.page-disclaimer .rule-points li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 5px;
  padding: 14px 16px;
  background: var(--surface);
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.75;
}

.page-disclaimer .rule-points li > span {
  min-width: 0;
  overflow-wrap: break-word;
}

.page-disclaimer .rule-points li .mono {
  color: var(--text);
}

.page-disclaimer .rule-key {
  color: var(--accent);
  font-size: 12.5px;
  letter-spacing: 0.08em;
}

/* ---------- 折叠补充说明 ---------- */

.page-disclaimer .rule-more {
  margin-top: 16px;
  border: 1px solid var(--rule);
  background: var(--surface-deep);
}

.page-disclaimer .rule-more summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--text-soft);
  transition: color 0.18s ease, background-color 0.18s ease;
}

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

.page-disclaimer .rule-more summary::before {
  content: "+";
  flex: none;
  width: 14px;
  text-align: center;
  color: var(--accent);
  font-size: 14px;
  line-height: 1;
}

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

.page-disclaimer .rule-more summary:hover,
.page-disclaimer .rule-more summary:focus-visible {
  color: var(--text);
  background: var(--rule-soft-line);
}

.page-disclaimer .rule-more-body {
  padding: 14px 16px 16px;
  border-top: 1px solid var(--rule);
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.78;
}

.page-disclaimer .rule-more-body p {
  margin: 0;
  max-width: 64ch;
}

.page-disclaimer .rule-more-body .mono {
  color: var(--text);
}

/* ---------- 署名格式 ---------- */

.page-disclaimer .rule-cite {
  margin-top: 16px;
  padding: 16px 18px;
  border: 2px solid var(--gold);
  background: var(--surface);
  box-shadow: 6px 6px 0 rgba(29, 58, 92, 0.9);
}

.page-disclaimer .rule-cite-label {
  display: block;
  margin-bottom: 8px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-disclaimer .rule-cite code {
  display: block;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text);
  overflow-wrap: break-word;
}

/* ---------- 相关页面 ---------- */

.page-disclaimer .rule-jump {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-top: clamp(28px, 4vw, 40px);
}

.page-disclaimer .rule-jump a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--rule);
  background: var(--surface-raised);
  color: var(--text);
  font-size: 14.5px;
  text-decoration: none;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-disclaimer .rule-jump a::after {
  content: "→";
  flex: none;
  font-family: var(--font-mono);
  color: var(--accent);
}

.page-disclaimer .rule-jump a:hover,
.page-disclaimer .rule-jump a:focus-visible {
  transform: translateY(-2px);
  border-color: var(--rule-strong);
  box-shadow: 4px 4px 0 rgba(29, 58, 92, 0.95);
}

/* ---------- 中等屏 ---------- */

@media (min-width: 620px) {
  .page-disclaimer .rule-points li {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 14px;
  }

  .page-disclaimer .rule-jump {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 1000px) {
  .page-disclaimer .rule-layout {
    grid-template-columns: minmax(0, 1fr) var(--rule-toc-w);
    gap: clamp(32px, 3.6vw, 56px);
  }

  .page-disclaimer .rule-toc {
    order: 0;
    position: sticky;
    top: calc(var(--nav-h) + 24px);
    margin-bottom: 0;
    max-height: calc(100vh - var(--nav-h) - 48px);
    overflow-y: auto;
  }

  .page-disclaimer .rule-hero-lead {
    font-size: 17px;
  }

  .page-disclaimer .rule-jump {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1240px) {
  .page-disclaimer .rule-jump {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .rule-toc a,
  .page-disclaimer .rule-head h2 a,
  .page-disclaimer .rule-more summary,
  .page-disclaimer .rule-jump a,
  .page-disclaimer .rule-block {
    transition: none;
  }

  .page-disclaimer .rule-jump a:hover,
  .page-disclaimer .rule-jump a:focus-visible {
    transform: none;
  }
}