.page-disclaimer {
  --disc-rail: 84px;
  --disc-grid: rgba(151, 166, 196, .055);
  --disc-text: #C6D1E6;
  --disc-quote: #D2DCEE;
  position: relative;
  background-color: var(--ink-0);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  padding-bottom: clamp(64px, 10vw, 140px);
}

.page-disclaimer::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--disc-grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--disc-grid) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .95) 0%, rgba(0, 0, 0, .35) 55%, transparent 92%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .95) 0%, rgba(0, 0, 0, .35) 55%, transparent 92%);
}

.page-disclaimer > * {
  position: relative;
  z-index: 1;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-hero {
  padding: clamp(32px, 7vw, 88px) 0 clamp(24px, 4vw, 48px);
  position: relative;
}

.page-disclaimer .disc-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--grad-edge);
  opacity: .45;
}

.page-disclaimer .disc-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  align-items: end;
}

.page-disclaimer .disc-hero-copy .breadcrumb {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-disclaimer .disc-hero-copy .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-disclaimer .disc-hero-copy .breadcrumb a:hover,
.page-disclaimer .disc-hero-copy .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-disclaimer .disc-hero-copy .eyebrow {
  display: inline-block;
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-disclaimer .disc-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-stretch: 88%;
  font-size: clamp(32px, 6.2vw, 74px);
  line-height: 1.03;
  letter-spacing: -.02em;
  max-width: 20ch;
}

.page-disclaimer .disc-hero .lede {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--disc-text);
  border-left: 2px solid rgba(37, 225, 212, .55);
  padding-left: 16px;
}

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

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

.page-disclaimer .disc-figure-cap {
  display: block;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--mist);
  background: rgba(11, 20, 36, .8);
}

/* ---------- 章节目录 ---------- */
.page-disclaimer .disc-toc {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(20, 31, 56, .5), rgba(5, 7, 14, 0));
}

.page-disclaimer .disc-toc-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 20px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.page-disclaimer .disc-toc-label {
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--violet);
  border: 1px solid rgba(124, 92, 255, .42);
  border-radius: var(--radius);
  padding: 3px 9px;
}

.page-disclaimer .disc-toc-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-toc-link {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 3px 0;
  font-size: 13.5px;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-disclaimer .disc-toc-link .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(37, 225, 212, .7);
}

.page-disclaimer .disc-toc-link:hover,
.page-disclaimer .disc-toc-link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--cyan);
}

.page-disclaimer .disc-toc-link[aria-current="true"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 文档主体 ---------- */
.page-disclaimer .disc-doc {
  padding-top: clamp(28px, 5vw, 56px);
}

.page-disclaimer .doc-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  padding: clamp(28px, 5vw, 52px) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-row-h) + 20px);
}

.page-disclaimer .doc-section:first-child {
  border-top: none;
  padding-top: clamp(8px, 2vw, 20px);
}

.page-disclaimer .doc-section--band {
  background: linear-gradient(180deg, rgba(20, 31, 56, .72), rgba(20, 31, 56, .18));
  border-radius: var(--radius);
  padding-left: clamp(16px, 3vw, 34px);
  padding-right: clamp(16px, 3vw, 34px);
}

.page-disclaimer .doc-rail {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-disclaimer .doc-num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: .02em;
  background: var(--grad-axis);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-disclaimer .doc-rail-label {
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--mist);
}

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

.page-disclaimer .doc-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-stretch: 88%;
  font-size: clamp(23px, 3.3vw, 36px);
  line-height: 1.18;
  letter-spacing: -.01em;
}

.page-disclaimer .doc-scene {
  margin: 16px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--cyan);
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.75;
  color: var(--disc-quote);
}

.page-disclaimer .doc-body p {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--disc-text);
  max-width: 78ch;
}

.page-disclaimer .doc-body p a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(37, 225, 212, .38);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-disclaimer .doc-body p a:hover,
.page-disclaimer .doc-body p a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-disclaimer .doc-points {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-disclaimer .doc-points li {
  position: relative;
  padding: 15px 18px 15px 36px;
  background: var(--surface-0);
  font-size: 15px;
  line-height: 1.78;
  color: var(--disc-text);
}

.page-disclaimer .doc-points li strong {
  color: var(--white);
  font-weight: 600;
}

.page-disclaimer .doc-points li::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 22px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}

.page-disclaimer .doc-points--fields li::before {
  border-color: var(--violet);
}

.page-disclaimer .doc-points--tools li::before {
  border-color: var(--orange);
  background: rgba(255, 90, 43, .18);
}

.page-disclaimer .doc-points--plain li::before {
  border-radius: 50%;
  transform: none;
  border-color: var(--mist);
}

/* ---------- 折叠提示 ---------- */
.page-disclaimer .doc-note {
  margin: 20px 0 0;
  border: 1px solid var(--line-mid);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius);
  background: rgba(20, 31, 56, .6);
}

.page-disclaimer .doc-note > summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 13px 46px 13px 16px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--amber);
}

.page-disclaimer .doc-note > summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .doc-note > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-disclaimer .doc-note > summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--amber);
}

.page-disclaimer .doc-note[open] > summary::after {
  content: "–";
}

.page-disclaimer .doc-note > p {
  margin: 0;
  padding: 14px 18px 16px;
  border-top: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--disc-text);
}

/* ---------- 回到顶部 ---------- */
.page-disclaimer .disc-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  padding: 8px 14px;
  border: 1px solid var(--line-mid);
  border-radius: var(--radius);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mist);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}

.page-disclaimer .disc-top::before {
  content: "";
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-bottom: 6px solid currentColor;
}

.page-disclaimer .disc-top:hover,
.page-disclaimer .disc-top:focus-visible {
  color: var(--cyan);
  border-color: var(--line-cyan);
  transform: translateY(-2px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .disc-toc-inner {
    padding-top: 16px;
    padding-bottom: 16px;
  }

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

@media (min-width: 1024px) {
  .page-disclaimer .disc-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(36px, 4.5vw, 72px);
  }

  .page-disclaimer .doc-section {
    grid-template-columns: var(--disc-rail) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 60px);
  }

  .page-disclaimer .doc-rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    align-self: stretch;
    padding-right: 20px;
    border-right: 1px solid var(--line);
    position: sticky;
    top: calc(var(--header-row-h) + 28px);
    height: max-content;
  }

  .page-disclaimer .doc-rail-label {
    writing-mode: horizontal-tb;
  }
}

@media (min-width: 1280px) {
  .page-disclaimer .disc-doc {
    padding-top: clamp(40px, 4vw, 64px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-toc-link,
  .page-disclaimer .disc-top,
  .page-disclaimer .doc-body p a {
    transition: none;
  }

  .page-disclaimer .disc-top:hover,
  .page-disclaimer .disc-top:focus-visible {
    transform: none;
  }
}