/* ========== 使用说明与免责声明 —— 页面专属样式 ========== */

.page-disclaimer {
  background-color: var(--silver-100);
  background-image:
    linear-gradient(rgba(8, 20, 38, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 20, 38, 0.025) 1px, transparent 1px);
  background-size: 24px 24px, 24px 24px;
  color: var(--ink-900);
  padding: 2.5rem 0 4rem;
  overflow-x: hidden;
}

.page-disclaimer__preamble {
  margin-bottom: 2.25rem;
}

.page-disclaimer__header {
  position: relative;
  border-top: 6px solid var(--navy-800);
  padding-top: 1.25rem;
  margin-top: 1.5rem;
}

.page-disclaimer__vertical {
  display: none;
  position: absolute;
  right: 0;
  bottom: 1.25rem;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--navy-700);
  border-right: 1px solid #c7cfd8;
  padding-right: 0.5rem;
}

.page-disclaimer__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy-700);
  margin-bottom: 0.625rem;
}

.page-disclaimer h1 {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2rem, 6vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 0.875rem;
  color: var(--ink-900);
}

.page-disclaimer .lead {
  max-width: 62ch;
  margin-bottom: 0;
  color: #2a3441;
}

.page-disclaimer__doc {
  background: #fff;
  border: 1px solid var(--silver-300);
  box-shadow: var(--shadow-1);
  padding: 1.5rem;
}

.page-disclaimer__section {
  padding: 2rem 0;
  border-bottom: 1px solid #dee4e9;
}

.page-disclaimer__section:first-child {
  padding-top: 0;
}

.page-disclaimer__section-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.page-disclaimer__seq {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8125rem;
  color: var(--orange-500);
  border: 1px solid var(--orange-500);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  box-shadow: 2px 2px 0 rgba(255, 108, 44, 0.2);
  flex-shrink: 0;
}

.page-disclaimer__section h2 {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 1.5rem;
  line-height: 1.2;
  color: var(--ink-900);
}

.page-disclaimer__section p {
  margin-bottom: 1rem;
  line-height: 1.8;
  color: var(--ink-900);
}

.page-disclaimer__section ul {
  margin: 0 0 1.25rem;
  padding: 0;
}

.page-disclaimer__section li {
  list-style: none;
  padding-left: 1.5rem;
  position: relative;
  line-height: 1.7;
  margin-bottom: 0.5rem;
  color: var(--ink-900);
}

.page-disclaimer__section li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 10px;
  height: 2px;
  background: var(--orange-500);
}

.page-disclaimer__term {
  border: 1px solid var(--silver-300);
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  background: var(--silver-100);
  overflow: hidden;
}

.page-disclaimer__term summary {
  cursor: pointer;
  font-weight: 600;
  padding: 0.875rem 1rem;
  font-size: 0.9375rem;
  color: var(--navy-800);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  user-select: none;
}

.page-disclaimer__term summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer__term summary::before {
  content: "＋";
  font-family: var(--font-mono);
  color: var(--orange-500);
  font-weight: 700;
}

.page-disclaimer__term[open] summary::before {
  content: "－";
}

.page-disclaimer__term p {
  margin: 0;
  padding: 0 1rem 1rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ink-900);
}

.page-disclaimer__note {
  font-size: 0.875rem;
  line-height: 1.6;
  border-left: 3px solid var(--navy-800);
  padding: 0.5rem 0 0.5rem 1rem;
  background: var(--silver-100);
  color: #2f3a46;
}

.page-disclaimer__pipeline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--navy-700);
}

.page-disclaimer__pipeline-item {
  flex-shrink: 0;
  border: 1px solid var(--silver-300);
  background: var(--silver-100);
  padding: 0.375rem 0.625rem;
  border-radius: 4px;
  white-space: nowrap;
}

.page-disclaimer__pipeline-bar {
  flex: 1;
  height: 2px;
  min-width: 12px;
  background-image: linear-gradient(90deg, var(--orange-500) 50%, transparent 50%);
  background-size: 8px 2px;
  background-repeat: repeat-x;
}

.page-disclaimer__timeline-figure {
  margin: 1.5rem 0;
}

.page-disclaimer__timeline-figure img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-disclaimer__rule {
  border: 2px solid var(--navy-800);
  border-left-width: 6px;
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  background: var(--silver-100);
}

.page-disclaimer__rule p:last-child {
  margin-bottom: 0;
}

.page-disclaimer__warn {
  background: #fff4ef;
  border: 2px solid var(--red-500);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  gap: 0.875rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-orange);
}

.page-disclaimer__warn-icon {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--red-500);
  border: 2px solid var(--red-500);
  border-radius: 50%;
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.page-disclaimer__warn-body {
  min-width: 0;
}

.page-disclaimer__warn-body strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--ink-900);
}

.page-disclaimer__warn-body span {
  font-size: 0.9375rem;
  line-height: 1.7;
}

.page-disclaimer__related {
  margin-top: 3rem;
  padding: 2rem;
  background: var(--navy-800);
  border-radius: var(--radius-md);
  color: var(--silver-200);
}

.page-disclaimer__related h2 {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 1.375rem;
  margin-top: 0;
  margin-bottom: 1.25rem;
  color: #fff;
}

.page-disclaimer__related ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer__related li {
  margin-bottom: 0.75rem;
}

.page-disclaimer__related li:last-child {
  margin-bottom: 0;
}

.page-disclaimer__related li::before {
  content: "→";
  color: var(--orange-400);
  margin-right: 0.5rem;
}

.page-disclaimer__related a {
  color: var(--orange-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease-out);
}

.page-disclaimer__related a:hover,
.page-disclaimer__related a:focus-visible {
  border-bottom-color: currentColor;
}

@media (min-width: 720px) {
  .page-disclaimer__vertical {
    display: block;
  }

  .page-disclaimer__doc {
    padding: 3rem 4rem;
  }

  .page-disclaimer__section {
    padding: 2.75rem 0;
  }

  .page-disclaimer__section h2 {
    font-size: 1.75rem;
  }

  .page-disclaimer__pipeline {
    margin: 2rem 0;
    font-size: 0.8125rem;
  }

  .page-disclaimer__related {
    padding: 2.5rem;
  }
}