.page-disclaimer {
  --dl-ink-text: rgba(246, 247, 249, 0.78);
  --dl-ink-dim: rgba(147, 163, 184, 0.92);
  --dl-signal-ink: #b7410e;
  --dl-card-bg: var(--ink-700);
  --dl-card-bg-hover: var(--ink-500);
  background: var(--ink-900);
  color: var(--titanium);
}

/* ---------- 页首导引区 ---------- */
.page-disclaimer .dl-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 34px;
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(130% 96% at 90% -14%, rgba(255, 106, 43, 0.17), transparent 62%),
    var(--ink-900);
}

.page-disclaimer .dl-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 84px 84px;
  pointer-events: none;
}

.page-disclaimer .dl-hero__frame {
  position: absolute;
  top: 30px;
  right: -46px;
  width: 164px;
  height: 108px;
  border: 1px solid var(--line-mid);
  border-radius: var(--r-md);
  opacity: 0.7;
  pointer-events: none;
}

.page-disclaimer .dl-hero__frame::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 11px 0 0 var(--signal-soft), 22px 0 0 var(--line-strong);
}

.page-disclaimer .dl-hero__frame::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  height: 34px;
  border-top: 1px solid var(--line-mid);
  border-bottom: 1px dashed var(--line-soft);
}

.page-disclaimer .dl-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.page-disclaimer .dl-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 8.2vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--titanium);
}

.page-disclaimer .dl-hero__lede {
  margin: 16px 0 0;
  max-width: 56ch;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.78;
  color: var(--dl-ink-text);
}

.page-disclaimer .dl-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 主体两栏骨架 ---------- */
.page-disclaimer .dl-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding: 28px 0 52px;
}

.page-disclaimer .dl-main {
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-disclaimer .dl-sec {
  padding-top: 24px;
  margin-top: 28px;
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .dl-sec:first-of-type {
  padding-top: 0;
  margin-top: 0;
  border-top: 0;
}

.page-disclaimer .dl-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 10px;
}

.page-disclaimer .dl-sec__num {
  flex: none;
  padding: 2px 9px;
  border: 1px solid rgba(255, 106, 43, 0.45);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--signal);
}

.page-disclaimer .dl-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--titanium);
}

.page-disclaimer .dl-sec__lede {
  margin: 0 0 16px;
  max-width: 62ch;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.78;
  color: var(--dl-ink-dim);
}

/* ---------- 配图 ---------- */
.page-disclaimer .dl-figure {
  margin: 0 0 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--ink-700);
}

/* ---------- 条目列表 ---------- */
.page-disclaimer .dl-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-disclaimer .dl-item {
  position: relative;
  margin-bottom: 12px;
  padding: 15px 16px 15px 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: var(--dl-card-bg);
  transition:
    border-color var(--dur) var(--ease),
    background var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.page-disclaimer .dl-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 2px;
  border-radius: 2px;
  background: var(--ink-500);
  transition: background var(--dur) var(--ease);
}

.page-disclaimer .dl-item:hover {
  border-color: var(--signal);
  background: var(--dl-card-bg-hover);
  transform: translateY(-2px);
}

.page-disclaimer .dl-item:hover::before {
  background: var(--signal);
}

.page-disclaimer .dl-item__num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--signal-soft);
}

.page-disclaimer .dl-item__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  color: var(--titanium);
}

.page-disclaimer .dl-item__text {
  margin: 0;
  max-width: 64ch;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.78;
  color: var(--dl-ink-text);
}

.page-disclaimer .dl-item__text a {
  color: var(--signal-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 180, 137, 0.45);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .dl-item__text a:hover {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* ---------- 回到开头 ---------- */
.page-disclaimer .dl-backtop {
  margin: 28px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
}

.page-disclaimer .dl-backtop a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--line-mid);
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  color: var(--titanium);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .dl-backtop a::before {
  content: "↑";
  font-family: var(--font-mono);
  color: var(--signal);
}

.page-disclaimer .dl-backtop a:hover {
  border-color: var(--signal);
  color: var(--signal-soft);
}

/* ---------- 右侧速查卡 ---------- */
.page-disclaimer .dl-rail {
  min-width: 0;
}

.page-disclaimer .dl-rail__card {
  padding: 18px 18px 20px;
  border: 1px solid rgba(11, 27, 51, 0.1);
  border-radius: var(--r-lg);
  background: var(--titanium);
  color: var(--brown);
}

.page-disclaimer .dl-rail__label {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(11, 27, 51, 0.12);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ink-500);
}

.page-disclaimer .dl-rail__nav ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dl-rail__nav li + li {
  margin-top: 2px;
}

.page-disclaimer .dl-rail__nav a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 8px 8px 10px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--r-xs) var(--r-xs) 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink-700);
  text-decoration: none;
  transition:
    background var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    color var(--dur) var(--ease);
}

.page-disclaimer .dl-rail__nav a:hover,
.page-disclaimer .dl-rail__nav a:focus-visible {
  background: rgba(11, 27, 51, 0.06);
  border-left-color: var(--signal);
  color: var(--ink-900);
}

.page-disclaimer .dl-rail__n {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--dl-signal-ink);
}

.page-disclaimer .dl-rail__hint {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(11, 27, 51, 0.16);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(36, 28, 22, 0.72);
}

.page-disclaimer .dl-rail__go {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding: 10px 16px;
  border-radius: var(--r-pill);
  background: var(--ink-900);
  color: var(--titanium);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .dl-rail__go::after {
  content: "→";
  font-family: var(--font-mono);
}

.page-disclaimer .dl-rail__go:hover {
  background: var(--signal);
  color: #fff;
}

/* ---------- 焦点态 ---------- */
.page-disclaimer a:focus-visible,
.page-disclaimer .dl-item:focus-within {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-disclaimer .dl-item:focus-within {
  border-color: var(--signal);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .dl-hero {
    padding: 34px 0 44px;
  }

  .page-disclaimer .dl-hero__frame {
    right: 8px;
    top: 40px;
    width: 210px;
    height: 136px;
  }

  .page-disclaimer .dl-sec__title {
    font-size: 27px;
  }

  .page-disclaimer .dl-sec__lede {
    font-size: 16px;
  }

  .page-disclaimer .dl-item {
    padding: 18px 22px 18px 24px;
  }

  .page-disclaimer .dl-item__title {
    font-size: 18px;
  }
}

@media (min-width: 980px) {
  .page-disclaimer .dl-body {
    grid-template-columns: minmax(0, 1fr) 272px;
    gap: 56px;
    padding: 46px 0 76px;
  }

  .page-disclaimer .dl-rail {
    align-self: start;
  }

  .page-disclaimer .dl-rail__card {
    position: sticky;
    top: 26px;
  }

  .page-disclaimer .dl-sec {
    padding-top: 30px;
    margin-top: 34px;
  }

  .page-disclaimer .dl-sec__title {
    font-size: 30px;
  }
}

@media (min-width: 1200px) {
  .page-disclaimer .dl-figure {
    margin-bottom: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dl-item,
  .page-disclaimer .dl-item::before,
  .page-disclaimer .dl-rail__nav a,
  .page-disclaimer .dl-rail__go,
  .page-disclaimer .dl-backtop a {
    transition: none;
  }

  .page-disclaimer .dl-item:hover {
    transform: none;
  }
}