.page-disclaimer {
  background: var(--color-light-bg);
  padding-bottom: 64px;
}

.page-disclaimer .breadcrumb {
  padding: 20px 0 18px;
}

/* ===== 页头区 ===== */
.dl-hero {
  position: relative;
  background: var(--color-bg-deep);
  color: var(--color-text-light);
  padding: 28px 20px 36px;
  border: 2px solid var(--color-bg-deep);
  box-shadow: 8px 8px 0 rgba(11, 26, 51, 0.14);
  text-align: center;
}

.dl-hero-line {
  height: 4px;
  width: 100%;
  background: linear-gradient(90deg, var(--color-orange) 0%, var(--color-electric) 60%, var(--color-purple) 100%);
  margin-bottom: 24px;
}

.page-disclaimer .dl-hero .section-kicker {
  color: var(--color-orange);
  letter-spacing: 0.22em;
  margin: 0 auto 12px;
}

.dl-hero h1 {
  font-family: var(--font-headline);
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 auto 14px;
  max-width: 720px;
}

.dl-hero-desc {
  max-width: 680px;
  margin: 0 auto;
  color: var(--color-silver);
  font-size: 15px;
  line-height: 1.8;
}

.dl-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: center;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(245, 248, 255, 0.14);
}

.dl-meta-item {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--color-electric);
  letter-spacing: 0.02em;
}

/* ===== 文档布局 ===== */
.dl-layout {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: 32px;
}

.dl-article {
  min-width: 0;
}

/* ===== 侧边栏目录 ===== */
.dl-toc {
  background: #ffffff;
  border: 2px solid var(--color-bg-deep);
  box-shadow: 6px 6px 0 rgba(11, 26, 51, 0.10);
}

.dl-toc-label {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-silver);
  padding: 14px 16px 10px;
  margin: 0;
  border-bottom: 1px solid #e3e9f0;
}

.dl-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.dl-toc-list li {
  border-bottom: 1px solid #e3e9f0;
}

.dl-toc-list a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  font-family: var(--font-headline);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  transition: background var(--ease-fast), color var(--ease-fast), padding-left var(--ease-fast);
}

.dl-toc-list a:hover {
  background: var(--color-light-bg);
  color: var(--color-orange);
  padding-left: 20px;
}

.dl-toc-list a.is-spy-active {
  background: var(--color-bg-deep);
  color: var(--color-text-light);
}

.dl-toc-num {
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 500;
  color: var(--color-purple);
  letter-spacing: 0.06em;
}

.dl-toc-list a.is-spy-active .dl-toc-num {
  color: var(--color-electric);
}

/* ===== 回到顶部 ===== */
.dl-back-top {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 12px 16px 16px;
  padding: 10px 12px;
  border: 1px solid var(--color-silver);
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--color-text);
  text-decoration: none;
  transition: border-color var(--ease-fast), color var(--ease-fast), background var(--ease-fast);
}

.dl-back-top:hover {
  border-color: var(--color-orange);
  color: var(--color-orange);
  background: rgba(255, 122, 0, 0.06);
}

.dl-back-top--center {
  margin: 0;
  justify-content: center;
}

/* ===== 章节卡片 ===== */
.dl-section {
  background: #ffffff;
  border: 2px solid var(--color-bg-deep);
  box-shadow: 6px 6px 0 rgba(11, 26, 51, 0.08);
  padding: 24px 18px;
  margin-bottom: 28px;
  scroll-margin-top: 180px;
}

.dl-section-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.dl-section-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 30px;
  padding: 0 8px;
  background: rgba(255, 122, 0, 0.08);
  border: 1px solid rgba(255, 122, 0, 0.32);
  font-family: var(--font-data);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-orange);
  letter-spacing: 0.04em;
}

.dl-section-kicker {
  font-family: var(--font-data);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-electric);
}

.dl-section h2 {
  font-family: var(--font-headline);
  font-size: 24px;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin: 8px 0 18px;
  padding-bottom: 12px;
  border-bottom: 3px double var(--color-silver);
}

.dl-section p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-text);
  margin: 0 0 14px;
}

.dl-lead {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-bg-deep);
}

.dl-section a {
  color: var(--color-electric);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== 数据指标 ===== */
.dl-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 18px 0 20px;
}

.dl-metric {
  background: var(--color-bg-deep);
  border: 1px solid var(--color-bg-darker);
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.dl-metric-num {
  font-family: var(--font-data);
  font-size: 24px;
  font-weight: 600;
  color: var(--color-electric);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.dl-metric-label {
  font-family: var(--font-headline);
  font-size: 13px;
  color: var(--color-silver);
}

/* ===== 列表样式 ===== */
.dl-list,
.dl-link-list {
  list-style: none;
  margin: 16px 0;
  padding: 0;
}

.dl-list li,
.dl-link-list li {
  position: relative;
  padding: 10px 12px 10px 16px;
  border-left: 3px solid var(--color-electric);
  background: rgba(0, 212, 255, 0.04);
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 8px;
}

.dl-link-list li {
  border-left-color: var(--color-purple);
  background: rgba(122, 92, 255, 0.04);
}

.dl-link-list li:last-child,
.dl-list li:last-child {
  margin-bottom: 0;
}

.dl-mono {
  font-family: var(--font-data);
  font-weight: 700;
  color: var(--color-orange);
  margin-right: 4px;
}

/* ===== 配图 ===== */
.dl-figure {
  margin: 22px 0;
  border: 2px solid var(--color-bg-deep);
  background: var(--color-bg-deep);
}

.dl-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.dl-figure figcaption {
  padding: 10px 14px;
  font-family: var(--font-data);
  font-size: 12px;
  line-height: 1.6;
  color: var(--color-silver);
  background: var(--color-bg-deep);
}

/* ===== 联系卡片 ===== */
.dl-contact-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--color-bg-deep);
  border-left: 6px solid var(--color-orange);
  padding: 18px 20px;
  margin-top: 16px;
}

.dl-contact-card-label {
  font-family: var(--font-headline);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-light);
}

.dl-contact-card-mail {
  font-family: var(--font-data);
  font-size: 14px;
  color: var(--color-electric);
  letter-spacing: 0.02em;
}

/* ===== 底部文档导航 ===== */
.dl-doc-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.dl-doc-nav-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  background: #ffffff;
  border: 2px solid var(--color-bg-deep);
  text-decoration: none;
  color: var(--color-text);
  transition: border-color var(--ease-fast), box-shadow var(--ease-fast), transform var(--ease-fast);
}

.dl-doc-nav-item:hover {
  border-color: var(--color-orange);
  box-shadow: 4px 4px 0 rgba(255, 122, 0, 0.18);
  transform: translateY(-1px);
}

.dl-doc-nav-label {
  font-family: var(--font-headline);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-bg-deep);
}

.dl-doc-nav-desc {
  font-size: 13px;
  color: #5a6474;
  line-height: 1.5;
}

/* ===== 底部回顶容器 ===== */
.dl-bottom-back {
  margin-top: 24px;
}

/* ===== 桌面端 ===== */
@media (min-width: 900px) {
  .page-disclaimer {
    padding-bottom: 80px;
  }

  .dl-hero {
    padding: 36px 32px 44px;
  }

  .dl-hero h1 {
    font-size: 40px;
  }

  .dl-hero-desc {
    font-size: 16px;
  }

  .dl-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 36px;
    align-items: start;
  }

  .dl-sidebar {
    order: 2;
    position: sticky;
    top: 180px;
  }

  .dl-article {
    order: 1;
  }

  .dl-section {
    padding: 32px 30px;
    margin-bottom: 32px;
  }

  .dl-section h2 {
    font-size: 26px;
    margin-bottom: 20px;
  }

  .dl-metrics {
    grid-template-columns: repeat(4, 1fr);
  }

  .dl-doc-nav {
    flex-direction: row;
    gap: 16px;
  }

  .dl-doc-nav-item {
    flex: 1;
  }

  .dl-partners-list {
    grid-template-columns: repeat(3, 1fr);
  }
}