.page-disclaimer {
  --disc-rule: rgba(46, 87, 75, 0.8);
  --disc-panel: rgba(18, 58, 50, 0.55);
  position: relative;
  padding-bottom: 64px;
  color: var(--c-white);
}

.page-disclaimer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 440px;
  background: radial-gradient(95% 100% at 50% 0%, rgba(31, 122, 77, 0.28), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-disclaimer > .wrap {
  position: relative;
  z-index: 1;
}

/* 面包屑 */
.page-disclaimer .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 28px 0 4px;
  font-size: 13px;
}

.page-disclaimer .breadcrumb-item {
  color: var(--c-mist);
  text-decoration: none;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.page-disclaimer .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--c-line);
  margin-right: 6px;
}

.page-disclaimer a.breadcrumb-item:hover,
.page-disclaimer a.breadcrumb-item:focus-visible {
  color: var(--c-orange);
}

/* 首屏 */
.page-disclaimer .disc-hero {
  padding: 10px 0 34px;
}

.page-disclaimer .disc-hero__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(48px, 11vw, 92px);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1px var(--c-pitch);
  text-stroke: 1px var(--c-pitch);
  margin-bottom: 14px;
}

.page-disclaimer .disc-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--c-white);
}

.page-disclaimer .disc-hero__lead {
  max-width: 64ch;
  margin: 0;
  font-size: 17px;
  line-height: 1.78;
  color: var(--c-warm);
}

/* 横幅 */
.page-disclaimer .disc-banner {
  margin: 0 0 36px;
  border: 1px solid var(--disc-rule);
  overflow: hidden;
}

.page-disclaimer .disc-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

/* 章节跳转 */
.page-disclaimer .disc-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  padding: 16px 0;
  border-top: 1px solid var(--disc-rule);
  border-bottom: 1px solid var(--disc-rule);
  margin-bottom: 52px;
  counter-reset: toc;
}

.page-disclaimer .disc-toc a {
  display: inline-flex;
  align-items: baseline;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--c-warm);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-disclaimer .disc-toc a::before {
  counter-increment: toc;
  content: counter(toc, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-pitch);
  margin-right: 7px;
  letter-spacing: 0.08em;
}

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

/* 说明章节 */
.page-disclaimer .disc-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding-bottom: 40px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--disc-rule);
  scroll-margin-top: 96px;
}

.page-disclaimer .disc-section:last-of-type {
  border-bottom: 0;
  margin-bottom: 32px;
}

.page-disclaimer .disc-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-disclaimer .disc-section__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-pitch);
  padding: 3px 8px;
  border: 1px solid var(--disc-rule);
  background: var(--disc-panel);
}

.page-disclaimer .disc-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 4vw, 30px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--c-white);
}

.page-disclaimer .disc-section__main {
  max-width: 760px;
}

.page-disclaimer .disc-lead {
  margin: 0 0 22px;
  padding: 2px 0 2px 18px;
  border-left: 3px solid var(--c-orange);
  font-size: 17px;
  line-height: 1.72;
  color: var(--c-white);
}

.page-disclaimer .disc-body p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--c-warm);
}

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

.page-disclaimer .disc-body a,
.page-disclaimer .disc-foot a {
  color: var(--c-white);
  text-decoration: none;
  border-bottom: 1px solid var(--c-pitch);
  padding-bottom: 1px;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-disclaimer .disc-body a:hover,
.page-disclaimer .disc-body a:focus-visible,
.page-disclaimer .disc-foot a:hover,
.page-disclaimer .disc-foot a:focus-visible {
  color: var(--c-orange);
  border-bottom-color: var(--c-orange);
}

.page-disclaimer .mark {
  color: var(--c-white);
  background-image: linear-gradient(var(--c-orange), var(--c-orange));
  background-repeat: no-repeat;
  background-size: 100% 2px;
  background-position: 0 100%;
  padding-bottom: 2px;
  word-break: break-all;
}

/* 引用格式块 */
.page-disclaimer .disc-cite {
  margin: 0 0 18px;
  padding: 18px 20px;
  border: 1px dashed var(--disc-rule);
  border-left: 3px solid var(--c-pitch);
  background: var(--disc-panel);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-warm);
  word-break: break-word;
}

.page-disclaimer .disc-cite p {
  margin: 0;
}

/* 纠错流程 */
.page-disclaimer .disc-steps {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  border-left: 1px solid var(--disc-rule);
  counter-reset: step;
}

.page-disclaimer .disc-steps li {
  position: relative;
  padding: 0 0 22px 30px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-warm);
}

.page-disclaimer .disc-steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: -13px;
  top: 4px;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--c-deep);
  border: 1px solid var(--c-pitch);
  color: var(--c-yellow);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
}

.page-disclaimer .disc-steps li:last-child {
  padding-bottom: 0;
}

.page-disclaimer .disc-steps strong {
  color: var(--c-white);
  font-weight: 600;
}

/* 结尾索引块 */
.page-disclaimer .disc-foot {
  max-width: 760px;
  margin-top: 8px;
  padding: 22px 24px;
  border: 1px solid var(--disc-rule);
  background: var(--disc-panel);
}

.page-disclaimer .disc-foot p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--c-mist);
}

/* 桌面：编号与标题移入左窄栏，形成手册式节奏 */
@media (min-width: 900px) {
  .page-disclaimer .disc-hero {
    padding: 22px 0 44px;
  }

  .page-disclaimer .disc-banner {
    margin-bottom: 44px;
  }

  .page-disclaimer .disc-section {
    grid-template-columns: 176px minmax(0, 1fr);
    gap: 0 48px;
    padding-bottom: 44px;
    margin-bottom: 44px;
  }

  .page-disclaimer .disc-section__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .page-disclaimer .disc-section__title {
    font-size: 24px;
    line-height: 1.34;
  }
}

@media (max-width: 560px) {
  .page-disclaimer .disc-hero__num {
    font-size: 54px;
  }

  .page-disclaimer .disc-toc {
    gap: 8px 16px;
    margin-bottom: 40px;
  }

  .page-disclaimer .disc-section {
    padding-bottom: 32px;
    margin-bottom: 32px;
  }

  .page-disclaimer .disc-lead {
    padding-left: 14px;
    font-size: 16px;
  }

  .page-disclaimer .disc-steps li {
    padding-left: 26px;
  }

  .page-disclaimer .disc-cite {
    padding: 16px;
    font-size: 13px;
  }

  .page-disclaimer .disc-foot {
    padding: 18px 16px;
  }
}

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