.page-disclaimer {
  --disclaimer-line: var(--color-line);
  --disclaimer-bg-alt: var(--color-bg-alt);
  --disclaimer-accent: var(--color-accent);
  --disclaimer-brand: var(--color-brand);
  --disclaimer-steel: var(--color-steel);
  --disclaimer-ink: var(--color-ink);
  --disclaimer-muted: var(--color-muted);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-disclaimer .page-disclaimer__wrap {
  max-width: 1080px;
  margin-inline: auto;
  padding-inline: var(--gutter);
  padding-top: clamp(8px, 1.5vw, 16px);
}

/* ===== 面包屑 ===== */
.page-disclaimer .breadcrumb {
  margin: 0 0 24px;
  padding-block: 12px;
  border-top: 1px solid var(--disclaimer-line);
  border-bottom: 1px solid var(--disclaimer-line);
}

.page-disclaimer .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .breadcrumb li {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--disclaimer-muted);
}

.page-disclaimer .breadcrumb li + li::before {
  content: "/";
  margin-right: 10px;
  color: var(--disclaimer-accent);
}

.page-disclaimer .breadcrumb a {
  color: var(--disclaimer-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-disclaimer .breadcrumb a:hover {
  color: var(--disclaimer-brand);
}

/* ===== 页刊头 ===== */
.page-disclaimer .page-disclaimer__masthead {
  position: relative;
  padding-block: clamp(28px, 4vw, 56px) clamp(28px, 4vw, 48px);
  border-bottom: 2px solid var(--disclaimer-brand);
  margin-bottom: clamp(28px, 4vw, 48px);
  background-image: repeating-linear-gradient(
    90deg,
    transparent 0,
    transparent 23px,
    var(--disclaimer-line) 23px,
    var(--disclaimer-line) 24px
  );
}

.page-disclaimer .page-disclaimer__masthead::after {
  content: "";
  display: block;
  width: 72px;
  height: 3px;
  background: var(--disclaimer-accent);
  position: absolute;
  left: 0;
  bottom: -2px;
}

.page-disclaimer .page-disclaimer__masthead-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}

.page-disclaimer .page-disclaimer__masthead-top .section-label {
  margin-bottom: 0;
}

.page-disclaimer .page-disclaimer__masthead-mark {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--disclaimer-muted);
  border: 1px solid var(--disclaimer-line);
  padding: 4px 10px;
  line-height: 1.4;
}

.page-disclaimer .page-disclaimer__masthead h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.5vw, 46px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--disclaimer-ink);
  margin: 0 0 14px;
  letter-spacing: -0.015em;
}

.page-disclaimer .page-disclaimer__subtitle {
  font-family: var(--font-display);
  font-size: clamp(15px, 1.8vw, 18px);
  font-weight: 500;
  color: var(--disclaimer-brand);
  margin: 0 0 20px;
  padding-left: 16px;
  border-left: 3px solid var(--disclaimer-accent);
}

.page-disclaimer .page-disclaimer__intro {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--disclaimer-muted);
  max-width: 64ch;
  margin: 0;
}

/* ===== 目录 ===== */
.page-disclaimer .page-disclaimer__toc {
  border: 1px solid var(--disclaimer-line);
  border-left: 4px solid var(--disclaimer-accent);
  background: var(--disclaimer-bg-alt);
  padding: 22px clamp(18px, 3vw, 28px);
  margin-bottom: clamp(36px, 5vw, 56px);
}

.page-disclaimer .page-disclaimer__toc-title {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--disclaimer-muted);
  text-transform: uppercase;
  margin: 0 0 16px;
}

.page-disclaimer .page-disclaimer__toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .page-disclaimer__toc a {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--disclaimer-ink);
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding-block: 4px;
  transition: color 0.2s ease;
}

.page-disclaimer .page-disclaimer__toc a::before {
  content: attr(data-index);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--disclaimer-accent);
}

.page-disclaimer .page-disclaimer__toc a:hover {
  color: var(--disclaimer-brand);
}

/* ===== 章节 ===== */
.page-disclaimer .page-disclaimer__section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding-block: clamp(32px, 4.5vw, 52px);
  border-bottom: 1px solid var(--disclaimer-line);
}

.page-disclaimer .page-disclaimer__section-index {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.05em;
  color: var(--disclaimer-accent);
}

.page-disclaimer .page-disclaimer__section-body h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  color: var(--disclaimer-ink);
  margin: 0 0 18px;
}

.page-disclaimer .page-disclaimer__section-body h2::before {
  content: "";
  display: none;
  width: 34px;
  height: 3px;
  background: var(--disclaimer-accent);
  margin-bottom: 14px;
}

.page-disclaimer .page-disclaimer__section-body p {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.5vw, 16px);
  line-height: 1.85;
  color: var(--disclaimer-ink);
  margin: 0 0 16px;
  max-width: 68ch;
}

.page-disclaimer .page-disclaimer__section-body ul {
  margin: 0 0 16px;
  padding-left: 20px;
}

.page-disclaimer .page-disclaimer__section-body li {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.5vw, 16px);
  line-height: 1.8;
  color: var(--disclaimer-ink);
  margin-bottom: 8px;
  max-width: 64ch;
}

.page-disclaimer .page-disclaimer__section-body blockquote {
  margin: 18px 0 20px;
  padding: 18px 20px;
  border: 1px solid var(--disclaimer-line);
  border-left: 4px solid var(--disclaimer-accent);
  background: var(--disclaimer-bg-alt);
}

.page-disclaimer .page-disclaimer__section-body blockquote p {
  margin: 0;
  color: var(--disclaimer-muted);
  font-size: clamp(14px, 1.4vw, 15px);
  line-height: 1.8;
  max-width: 64ch;
}

.page-disclaimer .page-disclaimer__section-body a {
  color: var(--disclaimer-steel);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

.page-disclaimer .page-disclaimer__section-body a:hover {
  color: var(--disclaimer-brand);
}

/* ===== 版权块 ===== */
.page-disclaimer .page-disclaimer__copyright {
  border-top: 1px solid var(--disclaimer-line);
  border-bottom: 1px solid var(--disclaimer-line);
  padding: 16px 4px;
  font-size: clamp(14px, 1.4vw, 15px);
  line-height: 1.75;
  color: var(--disclaimer-ink);
  max-width: 68ch;
}

/* ===== 联系块 ===== */
.page-disclaimer .page-disclaimer__contact {
  border: 1px solid var(--disclaimer-line);
  background: var(--disclaimer-bg-alt);
  padding: 20px 22px;
  margin: 20px 0;
}

.page-disclaimer .page-disclaimer__contact-title {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--disclaimer-muted);
  text-transform: uppercase;
  margin: 0 0 14px;
}

.page-disclaimer .page-disclaimer__contact ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .page-disclaimer__contact li {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  color: var(--disclaimer-ink);
  padding: 7px 0;
  border-bottom: 1px dotted var(--disclaimer-line);
}

.page-disclaimer .page-disclaimer__contact li:last-child {
  border-bottom: none;
}

/* ===== 底部视觉 ===== */
.page-disclaimer .page-disclaimer__visual {
  margin: clamp(40px, 5vw, 64px) 0 0;
  border: 1px solid var(--disclaimer-line);
}

.page-disclaimer .page-disclaimer__visual img {
  display: block;
  width: 100%;
  height: auto;
}

.page-disclaimer .page-disclaimer__visual figcaption {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--disclaimer-muted);
  padding: 12px 16px;
  border-top: 1px solid var(--disclaimer-line);
  background: var(--disclaimer-bg-alt);
}

/* ===== 桌面断点 ===== */
@media (min-width: 720px) {
  .page-disclaimer .page-disclaimer__section {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 32px;
  }

  .page-disclaimer .page-disclaimer__section-index {
    font-size: 34px;
    padding-top: 4px;
  }

  .page-disclaimer .page-disclaimer__section-body h2::before {
    display: block;
  }

  .page-disclaimer .page-disclaimer__toc ol {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
  }
}