.page-disclaimer {
  --rule-gutter: 88px;
  --rule-line: rgba(57, 66, 74, 0.62);
  color: var(--bone);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .doc-hero {
  position: relative;
  padding: 120px 0 88px;
  overflow: hidden;
}

.page-disclaimer .doc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 120px 120px;
  -webkit-mask-image: radial-gradient(120% 88% at 18% 8%, #000 0%, transparent 74%);
  mask-image: radial-gradient(120% 88% at 18% 8%, #000 0%, transparent 74%);
  opacity: 0.6;
  pointer-events: none;
}

.page-disclaimer .doc-hero .container {
  position: relative;
  z-index: 1;
}

.page-disclaimer .doc-hero .breadcrumbs {
  margin-bottom: 44px;
}

.page-disclaimer .hero-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.125rem, 6.2vw, 3.875rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--bone);
  margin: 0 0 26px;
  max-width: 20em;
}

.page-disclaimer .lede {
  max-width: 64ch;
  margin: 0 0 40px;
  color: var(--bone);
  opacity: 0.84;
}

/* 章节跳转胶囊 */
.page-disclaimer .rule-jump {
  list-style: none;
  margin: 0 0 44px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-disclaimer .rule-jump a {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  color: var(--mist);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
              background-color var(--dur) var(--ease);
}

.page-disclaimer .rule-jump a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(47, 217, 201, 0.08);
}

.page-disclaimer .rule-jump a:focus-visible,
.page-disclaimer .rule-more summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* 首屏图 */
.page-disclaimer .hero-figure {
  margin: 0;
  aspect-ratio: 3 / 2;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--slate);
}

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

/* ---------- 规则条目 ---------- */
.page-disclaimer .rule-sheet {
  padding: 24px 0 120px;
}

.page-disclaimer .rule-block {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  row-gap: 20px;
  padding-bottom: 56px;
}

.page-disclaimer .rule-block::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 50px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(to bottom, var(--rule-line) 0%, rgba(57, 66, 74, 0) 100%);
}

.page-disclaimer .rule-block:last-child {
  padding-bottom: 0;
}

.page-disclaimer .rule-block:last-child::before {
  display: none;
}

.page-disclaimer .rule-slot {
  position: relative;
  padding-top: 4px;
}

.page-disclaimer .slot-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--rock);
  border-radius: 12px;
  background: var(--slate);
  color: var(--mist);
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.06em;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
              transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-disclaimer .rule-block:hover .slot-box {
  color: var(--clay);
  border-color: var(--clay);
  transform: translateY(-4px);
}

.page-disclaimer .rule-block:focus-within .slot-box {
  color: var(--cyan);
  border-color: var(--cyan);
}

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

.page-disclaimer .rule-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.4375rem, 3.4vw, 2rem);
  line-height: 1.28;
  color: var(--bone);
  margin: 0 0 14px;
}

.page-disclaimer .rule-lede {
  margin: 0 0 24px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--mist);
  max-width: 60ch;
}

.page-disclaimer .rule-items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-disclaimer .rule-items li {
  position: relative;
  padding-left: 26px;
  max-width: 66ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--bone);
  opacity: 0.88;
}

.page-disclaimer .rule-items li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0.82em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--rock);
  border-radius: 2px;
  transform: translateY(-50%) rotate(45deg);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-disclaimer .rule-items li:hover::before {
  border-color: var(--clay);
  background: rgba(194, 100, 63, 0.28);
}

/* ---------- 栏目档位 ---------- */
.page-disclaimer .tier-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0 0 20px;
}

.page-disclaimer .tier {
  position: relative;
  padding: 24px 22px 26px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--slate);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .tier:hover {
  transform: translateY(-4px);
  border-color: var(--rock);
}

.page-disclaimer .tier[data-tone="cyan"] { border-top: 3px solid var(--cyan); }
.page-disclaimer .tier[data-tone="lime"] { border-top: 3px solid var(--lime); }
.page-disclaimer .tier[data-tone="flame"] { border-top: 3px solid var(--flame); }

.page-disclaimer .tier-tag {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-disclaimer .tier-figure {
  margin: 0 0 12px;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-disclaimer .tier-figure .num {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-disclaimer .tier-unit {
  font-size: 13px;
  color: var(--mist);
}

.page-disclaimer .tier-views {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: 18px;
  line-height: 1.5;
  color: var(--bone);
}

.page-disclaimer .tier-desc {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-disclaimer .quota-note {
  margin: 0;
  padding: 16px 20px;
  max-width: 68ch;
  border-left: 3px solid var(--lime);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(169, 224, 106, 0.07);
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--bone);
}

/* ---------- 引用关系图 ---------- */
.page-disclaimer .cite-map {
  margin: 0 0 28px;
  padding: 24px 18px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--slate);
}

.page-disclaimer .cite-map svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-disclaimer .cite-map .node {
  fill: var(--ink);
  stroke: var(--rock);
  stroke-width: 1;
}

.page-disclaimer .cite-map .node-label {
  fill: var(--bone);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
}

.page-disclaimer .cite-map .node-sub {
  fill: var(--mist);
  font-family: var(--font-body);
  font-size: 13px;
}

.page-disclaimer .cite-map .link-line {
  stroke: var(--rock);
  stroke-width: 1;
}

.page-disclaimer .cite-map .arrow-head {
  fill: var(--cyan);
}

.page-disclaimer .cite-map figcaption {
  margin-top: 14px;
  text-align: center;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* ---------- 折叠补充 ---------- */
.page-disclaimer .rule-more {
  margin-top: 22px;
  max-width: 66ch;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--slate);
  overflow: hidden;
}

.page-disclaimer .rule-more summary {
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

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

.page-disclaimer .rule-more summary::after {
  content: "+";
  float: right;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.2;
  color: var(--mist);
}

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

.page-disclaimer .rule-more p {
  margin: 0;
  padding: 0 18px 18px;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--bone);
  opacity: 0.82;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .doc-hero {
    padding: 144px 0 104px;
  }

  .page-disclaimer .rule-block {
    grid-template-columns: var(--rule-gutter) minmax(0, 1fr);
    column-gap: 36px;
    row-gap: 0;
    padding-bottom: 80px;
  }

  .page-disclaimer .rule-block::before {
    left: 27px;
    top: 62px;
  }

  .page-disclaimer .slot-box {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    font-size: 22px;
  }

  .page-disclaimer .tier-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .cite-map {
    padding: 28px 26px 18px;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .rule-sheet {
    padding: 32px 0 140px;
  }

  .page-disclaimer .hero-figure {
    aspect-ratio: 16 / 9;
  }
}

/* ---------- 动效收敛 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .slot-box,
  .page-disclaimer .tier,
  .page-disclaimer .rule-jump a,
  .page-disclaimer .rule-items li::before {
    transition: none;
  }

  .page-disclaimer .rule-block:hover .slot-box,
  .page-disclaimer .tier:hover {
    transform: none;
  }
}