.page-disclaimer {
  --dm-rule: rgba(201, 214, 228, .14);
  --dm-rule-strong: rgba(201, 214, 228, .30);
  --dm-measure: 860px;
  background: var(--ink);
  color: var(--mist);
}

/* ---------- 页首：手册扉页 ---------- */
.page-disclaimer .dm-hero {
  position: relative;
  padding: clamp(22px, 4vw, 40px) 0 0;
  background-color: var(--ink-deep);
  background-image:
    repeating-linear-gradient(90deg, rgba(201, 214, 228, .055) 0 1px, transparent 1px 92px),
    linear-gradient(180deg, var(--ink-deep) 0%, var(--ink) 100%);
  border-bottom: 1px solid var(--dm-rule);
}

.page-disclaimer .dm-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: end;
}

.page-disclaimer .dm-hero__lead {
  min-width: 0;
}

.page-disclaimer .dm-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: clamp(14px, 2.5vw, 22px) 0 0;
  font-size: .74rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-disclaimer .dm-hero__eyebrow::before {
  content: "";
  width: 30px;
  height: 1px;
  background: var(--cyan);
}

.page-disclaimer .dm-hero__title {
  margin: clamp(10px, 2vw, 18px) 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5.6vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-disclaimer .dm-hero__lead-text {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 48ch;
  font-size: clamp(.96rem, 1.4vw, 1.05rem);
  line-height: 1.78;
  color: var(--mist);
}

.page-disclaimer .dm-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--dm-rule);
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--slate);
}

.page-disclaimer .dm-hero__figure {
  margin: 0;
  border: 1px solid var(--dm-rule-strong);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--glass);
  box-shadow: var(--shadow);
}

.page-disclaimer .dm-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  filter: saturate(.85) contrast(1.05);
}

/* ---------- 短目录 ---------- */
.page-disclaimer .dm-toc {
  margin-top: clamp(26px, 4vw, 44px);
  padding-top: 14px;
  padding-bottom: clamp(16px, 2.5vw, 24px);
  border-top: 1px solid var(--dm-rule);
}

.page-disclaimer .dm-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-disclaimer .dm-toc__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(201, 214, 228, .13);
  color: var(--mist);
  text-decoration: none;
  font-size: .9rem;
  line-height: 1.5;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-disclaimer .dm-toc__link:hover,
.page-disclaimer .dm-toc__link:focus-visible {
  color: var(--paper);
  border-bottom-color: rgba(53, 240, 208, .5);
}

.page-disclaimer .dm-toc__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-disclaimer .dm-toc__num {
  flex: none;
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--slate);
  transition: color .2s var(--ease);
}

.page-disclaimer .dm-toc__link:hover .dm-toc__num,
.page-disclaimer .dm-toc__link:focus-visible .dm-toc__num {
  color: var(--cyan);
}

/* ---------- 正文窄栏 ---------- */
.page-disclaimer .dm-body {
  padding: clamp(28px, 5vw, 64px) 0 clamp(40px, 6vw, 84px);
  background: var(--ink);
}

.page-disclaimer .dm-body__inner {
  max-width: var(--dm-measure);
  margin-inline: auto;
}

/* ---------- 章节 ---------- */
.page-disclaimer .term {
  border-top: 1px solid var(--dm-rule);
  padding: clamp(20px, 3vw, 30px) 0;
}

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

.page-disclaimer .term__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  list-style: none;
  cursor: pointer;
}

.page-disclaimer .term__head::-webkit-details-marker {
  display: none;
}

.page-disclaimer .term__head:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-disclaimer .term__num {
  flex: none;
  padding-top: .3em;
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-disclaimer .term__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.16rem, 2.6vw, 1.55rem);
  line-height: 1.4;
  color: var(--paper);
}

.page-disclaimer .term__head::after {
  content: "−";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
  color: var(--slate);
  transition: color .2s var(--ease);
}

.page-disclaimer .term:not([open]) > .term__head::after {
  content: "+";
  color: var(--orange);
}

.page-disclaimer .term:not([open]) > .term__head:hover .term__title {
  color: var(--orange-soft);
}

.page-disclaimer .term__body {
  max-width: 62ch;
  padding: 14px 0 0 clamp(0px, 3vw, 32px);
}

.page-disclaimer .term__body p {
  margin: 0 0 1em;
  font-size: .96rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-disclaimer .term__body > p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .term__body a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
  padding-bottom: 1px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-disclaimer .term__body a:hover,
.page-disclaimer .term__body a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--paper);
}

/* ---------- 提示块 ---------- */
.page-disclaimer .dm-note {
  margin: 16px 0 18px;
  padding: 12px 16px 14px;
  border-left: 3px solid var(--orange);
  background: linear-gradient(90deg, rgba(255, 107, 53, .11), rgba(255, 107, 53, 0) 78%);
}

.page-disclaimer .dm-note__tag {
  margin: 0 0 6px;
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-disclaimer .dm-note p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-disclaimer .dm-note a {
  color: var(--paper);
}

.page-disclaimer .dm-note--cyan {
  border-left-color: var(--cyan);
  background: linear-gradient(90deg, rgba(53, 240, 208, .1), rgba(53, 240, 208, 0) 78%);
}

.page-disclaimer .dm-note--cyan .dm-note__tag {
  color: var(--cyan);
}

/* ---------- 列表 ---------- */
.page-disclaimer .dm-list {
  list-style: none;
  margin: 16px 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .dm-list li {
  position: relative;
  padding-left: 22px;
  font-size: .94rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-disclaimer .dm-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .8em;
  width: 11px;
  height: 1px;
  background: var(--orange);
}

/* ---------- 排查步骤 ---------- */
.page-disclaimer .dm-steps {
  list-style: none;
  margin: 16px 0 20px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--dm-rule);
  border-top: 1px solid var(--dm-rule);
  border-bottom: 1px solid var(--dm-rule);
}

.page-disclaimer .dm-steps li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 10px;
  background: var(--ink);
  font-size: .94rem;
  line-height: 1.66;
  color: var(--mist);
}

.page-disclaimer .dm-steps .mono {
  flex: none;
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--cyan);
}

/* ---------- 窄屏之后：栅格与目录展开 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .dm-toc__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 28px;
  }
}

@media (min-width: 980px) {
  .page-disclaimer .dm-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-disclaimer .dm-toc__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-disclaimer .term__title {
    letter-spacing: 0;
  }
}

/* ---------- 打印：去掉深底与装饰，保留纯文字 ---------- */
@media print {
  .page-disclaimer {
    background: #ffffff;
    color: #111111;
  }

  .page-disclaimer .dm-hero,
  .page-disclaimer .dm-body {
    background: #ffffff;
    background-image: none;
    border-color: #cccccc;
    padding-top: 0;
  }

  .page-disclaimer .dm-hero__figure,
  .page-disclaimer .dm-hero__meta,
  .page-disclaimer .dm-toc {
    display: none;
  }

  .page-disclaimer .dm-hero__eyebrow,
  .page-disclaimer .dm-hero__title,
  .page-disclaimer .dm-hero__lead-text,
  .page-disclaimer .term__title,
  .page-disclaimer .term__num,
  .page-disclaimer .term__body p,
  .page-disclaimer .dm-note p,
  .page-disclaimer .dm-note__tag,
  .page-disclaimer .dm-list li,
  .page-disclaimer .dm-steps li,
  .page-disclaimer .dm-steps .mono,
  .page-disclaimer .term__body a {
    color: #111111;
  }

  .page-disclaimer .term {
    border-top: 1px solid #cccccc;
    page-break-inside: avoid;
  }

  .page-disclaimer .term__head::after {
    display: none;
  }

  .page-disclaimer .dm-note,
  .page-disclaimer .dm-note--cyan {
    background: none;
    border-left: 2px solid #111111;
  }

  .page-disclaimer .dm-steps,
  .page-disclaimer .dm-steps li {
    background: #ffffff;
    border-color: #cccccc;
  }

  .page-disclaimer .dm-list li::before {
    background: #111111;
  }
}
<<<END>>>