.page-disclaimer {
  display: block;
  background: var(--paper);
  color: var(--ink);
  padding-bottom: clamp(56px, 9vw, 104px);
  overflow-x: clip;
}

/* ── 顶部横幅 ───────────────────────────────── */
.page-disclaimer .disc-banner {
  margin-top: clamp(14px, 2.6vw, 26px);
  position: relative;
  border: 1px solid var(--line-soft);
  background: var(--ink);
  overflow: hidden;
}

.page-disclaimer .disc-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1280 / 320;
  object-fit: cover;
  filter: grayscale(0.4) contrast(1.06) brightness(0.92);
  opacity: 0.78;
}

.page-disclaimer .disc-banner .frame__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  margin: 0;
  padding: 8px 14px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

/* ── 标题区 ─────────────────────────────────── */
.page-disclaimer .disc-hero {
  padding-top: clamp(30px, 4.6vw, 58px);
  padding-bottom: clamp(6px, 1.6vw, 14px);
  max-width: 940px;
}

.page-disclaimer .disc-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(27px, 5vw, 56px);
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 1.12;
  color: var(--ink);
}

.page-disclaimer .disc-hero-lede {
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  max-width: 66ch;
  font-size: clamp(14.5px, 1.3vw, 16.5px);
  line-height: 1.82;
  color: var(--graphite);
}

.page-disclaimer .disc-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
}

.page-disclaimer .disc-hero-date {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--clay);
}

/* ── 横向目录条 ─────────────────────────────── */
.page-disclaimer .disc-toc {
  margin-top: clamp(26px, 4vw, 46px);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--silver);
  background: var(--stone);
}

.page-disclaimer .disc-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .disc-toc-list > li {
  flex: 0 0 auto;
}

.page-disclaimer .disc-toc-list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 15px 18px;
  border-right: 1px solid var(--line-soft);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--dur), color var(--dur);
}

.page-disclaimer .disc-toc-list a:hover,
.page-disclaimer .disc-toc-list a:focus-visible {
  background: var(--ink);
  color: var(--paper);
  outline: none;
}

.page-disclaimer .disc-toc-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--orange);
  transition: color var(--dur);
}

.page-disclaimer .disc-toc-list a:hover .disc-toc-num,
.page-disclaimer .disc-toc-list a:focus-visible .disc-toc-num {
  color: var(--orange);
}

/* ── 正文与竖排注释轨 ───────────────────────── */
.page-disclaimer .disc-body {
  position: relative;
  margin-top: clamp(10px, 2vw, 20px);
}

.page-disclaimer .disc-rail {
  display: none;
}

.page-disclaimer .disc-items {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .disc-item {
  scroll-margin-top: 110px;
  padding: clamp(26px, 4vw, 46px) 0;
  border-top: 1px solid var(--silver);
}

.page-disclaimer .disc-item:last-child {
  border-bottom: 1px solid var(--silver);
}

.page-disclaimer .disc-item-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  margin-bottom: clamp(12px, 1.8vw, 18px);
}

.page-disclaimer .disc-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.6vw, 28px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--orange);
}

.page-disclaimer .disc-title {
  flex: 1 1 auto;
  min-width: 180px;
  margin: 0;
  font-size: clamp(18px, 2.2vw, 25px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--ink);
}

.page-disclaimer .disc-ver {
  flex: 0 0 auto;
  padding: 5px 9px;
  border: 1px solid var(--silver);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.09em;
  color: var(--graphite);
  opacity: 0.62;
  transition: opacity var(--dur), color var(--dur), border-color var(--dur);
}

.page-disclaimer .disc-item:hover .disc-ver,
.page-disclaimer .disc-item:focus-within .disc-ver {
  opacity: 1;
  color: var(--orange);
  border-color: var(--orange);
}

.page-disclaimer .disc-item-body {
  max-width: 70ch;
}

.page-disclaimer .disc-item-body p {
  margin: 0 0 13px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--graphite);
}

.page-disclaimer .disc-item-body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .disc-item-body a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(26, 92, 255, 0.34);
  transition: border-color var(--dur), color var(--dur);
}

.page-disclaimer .disc-item-body a:hover,
.page-disclaimer .disc-item-body a:focus-visible {
  color: var(--blue-deep);
  border-bottom-color: var(--blue-deep);
}

.page-disclaimer .disc-points {
  list-style: none;
  margin: 4px 0 16px;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-disclaimer .disc-points li {
  position: relative;
  padding: 10px 14px 10px 22px;
  background: var(--white);
  border-left: 2px solid var(--silver);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
}

.page-disclaimer .disc-points li::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 1.32em;
  width: 6px;
  height: 1px;
  background: var(--clay);
}

.page-disclaimer .disc-tier {
  margin: 18px 0;
}

/* ── 返回顶部 ───────────────────────────────── */
.page-disclaimer .disc-top {
  position: fixed;
  right: clamp(12px, 3vw, 28px);
  bottom: clamp(12px, 3vw, 28px);
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-decoration: none;
  border: 1px solid var(--ink);
  transition: background var(--dur), border-color var(--dur), color var(--dur);
}

.page-disclaimer .disc-top:hover,
.page-disclaimer .disc-top:focus-visible {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
  outline: none;
}

/* ── 平板 ───────────────────────────────────── */
@media (min-width: 720px) {
  .page-disclaimer .disc-toc-list a {
    padding: 17px 24px;
    font-size: 14px;
  }

  .page-disclaimer .disc-item {
    padding-left: clamp(0px, 2vw, 18px);
  }
}

/* ── 桌面：右侧竖排注释轨 ───────────────────── */
@media (min-width: 1100px) {
  .page-disclaimer .disc-body {
    padding-right: 78px;
  }

  .page-disclaimer .disc-rail {
    display: block;
    position: absolute;
    right: 0;
    top: 4px;
    bottom: 4px;
    width: 44px;
    border-left: 1px solid var(--line-soft);
  }

  .page-disclaimer .disc-rail-text {
    position: sticky;
    top: 138px;
    display: block;
    padding-left: 13px;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.24em;
    line-height: 1;
    color: var(--clay);
  }
}

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