.page-disclaimer {
  --disc-rule: rgba(37, 230, 230, .3);
  --disc-glow: rgba(37, 230, 230, .16);
  position: relative;
  isolation: isolate;
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

.page-disclaimer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: min(700px, 92vh);
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(ellipse 88% 70% at 50% 0%, #000 0%, transparent 76%);
  mask-image: radial-gradient(ellipse 88% 70% at 50% 0%, #000 0%, transparent 76%);
  opacity: .5;
  pointer-events: none;
  z-index: -1;
}

/* ---------- 面包屑 ---------- */
.page-disclaimer .crumbs {
  padding-top: clamp(1.1rem, 3vw, 1.9rem);
}

/* ---------- 页头 ---------- */
.page-disclaimer .discl-head {
  display: grid;
  gap: 1.6rem;
  padding-top: clamp(1.1rem, 3.5vw, 2rem);
  padding-bottom: clamp(1.4rem, 4vw, 2.4rem);
}

.page-disclaimer .discl-head-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
}

.page-disclaimer .discl-title {
  font-family: var(--font-head);
  font-size: clamp(2.6rem, 11vw, 4.6rem);
  font-weight: 800;
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--text);
  margin: .55rem 0 0;
  text-shadow: 0 0 38px rgba(37, 230, 230, .3);
}

.page-disclaimer .discl-lede {
  margin-top: 1rem;
  max-width: 44rem;
}

.page-disclaimer .discl-chips {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  list-style: none;
  margin: 1.35rem 0 0;
  padding: 0;
}

.page-disclaimer .discl-head-media {
  margin: 0;
  min-width: 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--bg-panel);
  overflow: hidden;
}

.page-disclaimer .discl-head-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 双栏文档布局 ---------- */
.page-disclaimer .discl-layout {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.4rem);
  padding-top: clamp(.5rem, 2vw, 1rem);
  align-items: start;
}

.page-disclaimer .discl-side {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(18, 30, 51, .92) 0%, rgba(13, 22, 38, .92) 100%);
  box-shadow: var(--shadow-soft);
  padding: 1.15rem 1.1rem 1.3rem;
}

.page-disclaimer .discl-side-title {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 .75rem;
  padding-left: .5rem;
}

.page-disclaimer .discl-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .1rem;
  counter-reset: discl-toc;
}

.page-disclaimer .discl-toc-item {
  min-width: 0;
}

.page-disclaimer .discl-toc-link {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  padding: .58rem .6rem .58rem .55rem;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-dim);
  font-size: .92rem;
  line-height: 1.45;
  text-decoration: none;
  transition: color .25s var(--ease), background-color .25s var(--ease), border-color .25s var(--ease);
}

.page-disclaimer .discl-toc-link::before {
  counter-increment: discl-toc;
  content: counter(discl-toc, decimal-leading-zero);
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  opacity: .72;
}

.page-disclaimer .discl-toc-link:hover,
.page-disclaimer .discl-toc-link:focus-visible {
  color: var(--text);
  background: rgba(37, 230, 230, .08);
  border-left-color: rgba(37, 230, 230, .55);
}

.page-disclaimer .discl-toc-link[aria-current="true"] {
  color: var(--cyan-soft);
  background: rgba(37, 230, 230, .13);
  border-left-color: var(--cyan);
}

.page-disclaimer .discl-side-card {
  margin-top: 1.25rem;
  padding-top: 1.1rem;
  border-top: 1px dashed var(--line);
}

.page-disclaimer .discl-side-card-title {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 .45rem;
}

.page-disclaimer .discl-side-text {
  color: var(--text-dim);
  font-size: .85rem;
  line-height: 1.72;
  margin: 0 0 .85rem;
  overflow-wrap: anywhere;
}

.page-disclaimer .discl-side-btn {
  width: 100%;
  justify-content: center;
}

/* ---------- 正文章节 ---------- */
.page-disclaimer .discl-body {
  display: grid;
  gap: clamp(1.9rem, 5vw, 2.9rem);
  min-width: 0;
}

.page-disclaimer .discl-sec {
  position: relative;
  padding-top: 1.5rem;
  scroll-margin-top: calc(var(--header-h) + 1.75rem);
}

.page-disclaimer .discl-sec::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--disc-rule) 28%, transparent 88%);
}

.page-disclaimer .discl-sec-inner {
  display: grid;
  gap: .9rem;
  min-width: 0;
}

.page-disclaimer .discl-num {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .18em;
  color: var(--cyan);
  margin: 0;
  align-self: start;
}

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

.page-disclaimer .discl-h2 {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 5vw, 2.05rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -.005em;
  color: var(--text);
  margin: 0 0 .85rem;
}

.page-disclaimer .discl-text {
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.82;
  margin: 0 0 .95rem;
  overflow-wrap: anywhere;
}

.page-disclaimer .discl-text:last-child {
  margin-bottom: 0;
}

.page-disclaimer .discl-list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: .65rem;
}

.page-disclaimer .discl-list li {
  position: relative;
  padding-left: 1.35rem;
  color: var(--text-dim);
  font-size: .97rem;
  line-height: 1.75;
  overflow-wrap: anywhere;
}

.page-disclaimer .discl-list li::before {
  content: "";
  position: absolute;
  left: .05rem;
  top: .78em;
  width: .55rem;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--disc-glow);
}

.page-disclaimer .discl-list strong {
  color: var(--cyan-soft);
  font-weight: 600;
}

.page-disclaimer .discl-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(37, 230, 230, .4);
  transition: color .22s var(--ease), border-color .22s var(--ease);
}

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

/* ---------- 返回顶部 ---------- */
.page-disclaimer .to-top {
  margin-top: clamp(2rem, 5vw, 3rem);
}

/* ---------- 窄屏适配 ---------- */
@media (max-width: 479px) {
  .page-disclaimer .discl-num {
    padding-bottom: .15rem;
  }

  .page-disclaimer .discl-title {
    letter-spacing: -.01em;
  }
}

/* ---------- 平板：章节编号左置 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .discl-sec-inner {
    grid-template-columns: 3.4rem minmax(0, 1fr);
    column-gap: 1.4rem;
    align-items: start;
  }

  .page-disclaimer .discl-num {
    padding-top: .45rem;
  }
}

/* ---------- 桌面：侧栏常驻 + 双栏 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .discl-head {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: end;
    gap: clamp(2rem, 4vw, 3.4rem);
  }
}

@media (min-width: 960px) {
  .page-disclaimer .discl-layout {
    grid-template-columns: minmax(0, 16.5rem) minmax(0, 1fr);
    gap: clamp(2.2rem, 5vw, 4.4rem);
  }

  .page-disclaimer .discl-side {
    position: sticky;
    top: calc(var(--header-h) + 1.4rem);
  }

  .page-disclaimer .discl-body {
    gap: clamp(2.2rem, 4vw, 3.2rem);
  }
}

@media (min-width: 1200px) {
  .page-disclaimer .discl-side {
    padding: 1.35rem 1.3rem 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .discl-toc-link,
  .page-disclaimer .discl-link {
    transition: none;
  }
}