.page-disclaimer {
  --doc-measure: 70ch;
  --doc-radius: 16px;
  position: relative;
  padding: 1.5rem 0 4rem;
  background:
    radial-gradient(90% 55% at 8% 0%, rgba(56, 242, 224, 0.07), transparent 62%),
    radial-gradient(70% 45% at 102% 32%, rgba(90, 31, 61, 0.3), transparent 72%);
}

/* ---------- 面包屑 ---------- */
.page-disclaimer .breadcrumb {
  margin-bottom: 1.4rem;
}

.page-disclaimer .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.page-disclaimer .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.page-disclaimer .breadcrumb li + li::before {
  content: "/";
  color: var(--mist);
  opacity: 0.7;
}

.page-disclaimer .breadcrumb a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

.page-disclaimer .breadcrumb [aria-current="page"] {
  color: var(--ice-dim);
}

/* ---------- 文档头 ---------- */
.page-disclaimer .doc-head {
  position: relative;
  margin-bottom: 1.75rem;
  padding: 1.6rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(56, 242, 224, 0.08), transparent 42%),
    var(--panel-soft);
  overflow: hidden;
}

.page-disclaimer .doc-head::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 1px solid rgba(56, 242, 224, 0.18);
  transform: translate(45%, -45%);
  pointer-events: none;
}

.page-disclaimer .doc-head .eyebrow {
  margin: 0 0 0.6rem;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-disclaimer .doc-head h1 {
  margin: 0 0 0.9rem;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 6vw, 2.6rem);
  line-height: 1.16;
  letter-spacing: 0.06em;
  color: var(--ice);
}

.page-disclaimer .doc-lede {
  max-width: var(--doc-measure);
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--ice-dim);
}

.page-disclaimer .doc-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.55rem;
  margin: 1.4rem 0 0;
  padding-top: 1.1rem;
  border-top: 1px dashed var(--line-soft);
}

.page-disclaimer .doc-meta > div {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
}

.page-disclaimer .doc-meta dt {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-disclaimer .doc-meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--amber);
}

/* ---------- 主题图 ---------- */
.page-disclaimer .doc-figure {
  margin: 0 0 1.9rem;
}

.page-disclaimer .doc-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background: var(--bg-deep);
}

.page-disclaimer .doc-figure .media-cap {
  display: block;
  margin-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--mist);
}

/* ---------- 章节导航 ---------- */
.page-disclaimer .toc {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.9rem;
  padding: 0.8rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--glass);
}

.page-disclaimer .toc a {
  padding: 0.34rem 0.72rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--cyan);
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.page-disclaimer .toc a:hover,
.page-disclaimer .toc a:focus-visible {
  background: var(--cyan);
  color: #04121a;
  outline: none;
}

/* ---------- 协议正文 ---------- */
.page-disclaimer .protocol {
  display: grid;
  gap: 1rem;
  max-width: 82ch;
}

.page-disclaimer .clause {
  position: relative;
  padding: 1.4rem 1.2rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background: var(--panel);
  scroll-margin-top: 6rem;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-disclaimer .clause:target {
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px var(--cyan), 0 20px 44px -26px rgba(56, 242, 224, 0.6);
}

.page-disclaimer .clause--fresh {
  border-left: 3px solid var(--amber);
}

.page-disclaimer .clause-no {
  display: block;
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-disclaimer .clause--fresh .clause-no {
  color: var(--amber);
}

.page-disclaimer .clause h2 {
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  font-size: clamp(1.18rem, 4.2vw, 1.5rem);
  line-height: 1.3;
  letter-spacing: 0.07em;
  color: var(--ice);
}

.page-disclaimer .clause p {
  max-width: var(--doc-measure);
  margin: 0 0 0.85rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ice-dim);
}

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

.page-disclaimer .clause a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 224, 0.45);
}

.page-disclaimer .clause a:hover,
.page-disclaimer .clause a:focus-visible {
  border-bottom-color: var(--cyan);
  background: rgba(56, 242, 224, 0.1);
}

/* ---------- 联系方式块 ---------- */
.page-disclaimer .doc-contact {
  display: grid;
  gap: 0.6rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.page-disclaimer .doc-contact li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--panel-soft);
}

.page-disclaimer .doc-contact .contact-label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-disclaimer .doc-contact .contact-value {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--ice);
  word-break: break-word;
}

.page-disclaimer .doc-contact .copy-btn {
  margin-left: auto;
}

.page-disclaimer .clause .contact-note {
  max-width: var(--doc-measure);
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 中等宽度 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .doc-head {
    padding: 2rem 1.8rem;
  }

  .page-disclaimer .doc-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.7rem 2rem;
  }

  .page-disclaimer .protocol {
    gap: 1.15rem;
  }

  .page-disclaimer .clause {
    padding: 1.7rem 1.6rem;
  }
}

/* ---------- 桌面端：左编号 + 右留白 ---------- */
@media (min-width: 900px) {
  .page-disclaimer {
    padding: 2.5rem 0 6rem;
  }

  .page-disclaimer .doc-head {
    padding: 2.4rem 2.6rem;
  }

  .page-disclaimer .doc-head h1 {
    max-width: 22ch;
  }

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

  .page-disclaimer .protocol {
    max-width: 78ch;
  }

  .page-disclaimer .clause {
    padding: 2rem 2.4rem 2rem 6.2rem;
  }

  .page-disclaimer .clause-no {
    position: absolute;
    top: 2.15rem;
    left: 2.35rem;
    margin: 0;
  }
}
<<<END>>>
</main>