.page-disclaimer {
  background: var(--space-900);
  color: var(--paper-white);
  overflow-x: hidden;
}

.page-disclaimer a:focus-visible,
.page-disclaimer button:focus-visible,
.page-disclaimer summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

/* ---------- 页头 ---------- */

.page-disclaimer .disc-hero {
  position: relative;
  padding: clamp(32px, 6vw, 72px) 0 clamp(24px, 4vw, 48px);
  background:
    radial-gradient(circle at 84% 8%, rgba(198, 255, 62, 0.10), transparent 54%),
    radial-gradient(circle at 6% 92%, rgba(255, 139, 46, 0.10), transparent 52%);
}

.page-disclaimer .disc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(46, 74, 120, 0.32) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(46, 74, 120, 0.32) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 88%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 88%);
}

.page-disclaimer .disc-hero .shell {
  position: relative;
  z-index: 1;
}

.page-disclaimer .breadcrumbs ol {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-disclaimer .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-disclaimer .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-disclaimer .breadcrumbs a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-disclaimer .disc-title {
  margin: 14px 0 0;
  max-width: 17ch;
}

.page-disclaimer .disc-hero__lead {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: clamp(15.5px, 1.5vw, 18px);
  line-height: 1.85;
  color: var(--mist);
}

.page-disclaimer .disc-hero__figure {
  margin: clamp(26px, 4.5vw, 44px) 0 0;
  border: 2px solid var(--line);
  border-radius: var(--card-radius);
  background: var(--midnight);
  overflow: hidden;
  box-shadow: var(--shadow-hard-lg);
}

.page-disclaimer .disc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 手册式布局 ---------- */

.page-disclaimer .disc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 36px);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-disclaimer .disc-toc {
  border: 2px solid var(--line);
  border-radius: var(--card-radius);
  background: var(--midnight);
  padding: 16px 16px 18px;
}

.page-disclaimer .disc-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-disclaimer .disc-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-disclaimer .disc-toc__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid transparent;
  border-radius: var(--pill);
  font-size: 13px;
  line-height: 1.3;
  color: var(--mist);
  text-decoration: none;
  transition: color 160ms var(--ease), background 160ms var(--ease), border-color 160ms var(--ease);
}

.page-disclaimer .disc-toc__n {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(143, 174, 220, 0.7);
}

.page-disclaimer .disc-toc__list a:hover {
  color: var(--paper-white);
  border-color: var(--line);
  background: rgba(46, 74, 120, 0.35);
}

.page-disclaimer .disc-toc__list a[aria-current="true"] {
  color: var(--lime);
  border-color: var(--lime);
  background: rgba(198, 255, 62, 0.10);
}

.page-disclaimer .disc-toc__list a[aria-current="true"] .disc-toc__n {
  color: var(--lime);
}

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

/* ---------- 章节 ---------- */

.page-disclaimer .disc-sec {
  padding: clamp(22px, 3vw, 34px) 0;
  border-top: 1px solid rgba(46, 74, 120, 0.65);
}

.page-disclaimer .disc-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .disc-sec__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
}

.page-disclaimer .disc-sec__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--lime);
  padding: 4px 9px;
  border: 1px solid rgba(198, 255, 62, 0.42);
  border-radius: 6px;
}

.page-disclaimer .disc-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 2.8vw, 29px);
  line-height: 1.28;
  letter-spacing: -0.015em;
  color: var(--paper-white);
}

.page-disclaimer .disc-sec p {
  margin: 14px 0 0;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(244, 247, 255, 0.82);
}

.page-disclaimer .disc-sec p a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 62, 0.45);
}

.page-disclaimer .disc-sec p a:hover {
  border-bottom-color: var(--lime);
}

/* ---------- 数据块 ---------- */

.page-disclaimer .disc-metrics {
  margin: 20px 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-disclaimer .disc-metric {
  border: 2px solid var(--line);
  border-radius: 12px;
  background: var(--midnight);
  padding: 14px 14px 15px;
}

.page-disclaimer .disc-metric__v {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  font-size: clamp(21px, 3vw, 27px);
  line-height: 1.1;
  color: var(--lime);
}

.page-disclaimer .disc-metric__l {
  display: block;
  margin-top: 7px;
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.5;
  color: var(--mist);
}

/* ---------- 条目列表 ---------- */

.page-disclaimer .disc-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .disc-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(244, 247, 255, 0.82);
}

.page-disclaimer .disc-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.78em;
  width: 9px;
  height: 2px;
  background: var(--amber);
}

/* ---------- 引用格式示例 ---------- */

.page-disclaimer .disc-sample {
  margin: 20px 0 0;
  padding: 18px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: var(--midnight);
  border: 2px solid var(--line);
  border-left: 6px solid var(--lime);
  border-radius: 0 var(--card-radius) var(--card-radius) 0;
}

.page-disclaimer .disc-sample__code {
  flex: 1 1 240px;
  margin: 0;
  max-width: none;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--paper-white);
  word-break: break-word;
}

.page-disclaimer .disc-sample__tag {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-disclaimer .disc-sample .copy-btn {
  flex: none;
}

/* ---------- 修正流程 ---------- */

.page-disclaimer .disc-steps {
  margin: 20px 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-disclaimer .disc-step {
  border: 2px solid var(--line);
  border-radius: var(--card-radius);
  background: var(--midnight);
  padding: 16px;
}

.page-disclaimer .disc-step__n {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-disclaimer .disc-step__t {
  display: block;
  margin-top: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.4;
  color: var(--paper-white);
}

.page-disclaimer .disc-step .disc-step__d {
  margin: 7px 0 0;
  max-width: none;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(244, 247, 255, 0.72);
}

/* ---------- 折叠章节 ---------- */

.page-disclaimer .disc-sec--fold summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  padding: 2px 0;
}

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

.page-disclaimer .disc-sec--fold summary::after {
  content: "＋";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--lime);
}

.page-disclaimer .disc-sec--fold[open] summary::after {
  content: "－";
}

.page-disclaimer .disc-sec__body {
  padding-left: 0;
  border-left: 2px solid transparent;
  transition: border-color 240ms var(--ease);
}

.page-disclaimer .disc-sec--fold[open] .disc-sec__body {
  margin-top: 6px;
  padding-left: 14px;
  border-left-color: var(--lime);
}

/* ---------- 收束区 ---------- */

.page-disclaimer .disc-outro {
  margin-top: 10px;
  border-top: 0;
  padding: clamp(22px, 3vw, 32px);
  border: 2px solid var(--line);
  border-radius: var(--card-radius);
  background: linear-gradient(140deg, rgba(198, 255, 62, 0.10), rgba(255, 139, 46, 0.09) 62%, rgba(20, 42, 76, 0.9));
}

.page-disclaimer .disc-sec.disc-outro {
  padding: clamp(22px, 3vw, 32px);
}

.page-disclaimer .disc-links {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-disclaimer .disc-links a {
  display: block;
  padding: 14px 16px;
  border: 2px solid var(--line);
  border-radius: 12px;
  background: var(--midnight);
  color: var(--paper-white);
  text-decoration: none;
  transition: border-color 180ms var(--ease), transform 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-disclaimer .disc-links a:hover {
  border-color: var(--lime);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hard);
}

.page-disclaimer .disc-links__k {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15.5px;
  letter-spacing: -0.005em;
}

.page-disclaimer .disc-links__d {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-disclaimer .disc-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (min-width: 1000px) {
  .page-disclaimer .disc-layout {
    grid-template-columns: 226px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
  }

  .page-disclaimer .disc-toc {
    position: sticky;
    top: 104px;
    align-self: start;
    padding: 20px 18px;
  }

  .page-disclaimer .disc-toc__list {
    display: grid;
    gap: 2px;
  }

  .page-disclaimer .disc-toc__list a {
    display: flex;
    border-radius: 10px;
    padding: 8px 10px;
  }

  .page-disclaimer .disc-body {
    max-width: 730px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-toc__list a,
  .page-disclaimer .disc-links a,
  .page-disclaimer .disc-sec__body {
    transition: none;
  }

  .page-disclaimer .disc-links a:hover {
    transform: none;
    box-shadow: none;
  }
}