.page-disclaimer {
  --pd-navy: #0B1D3A;
  --pd-ink: #071A2B;
  --pd-violet: #8A2BE2;
  --pd-orange: #FF5A00;
  --pd-cyan: #00D4FF;
  --pd-light: #F4F6F9;
  --pd-white: #FFFFFF;
  --pd-gray: #2C3E50;
  --pd-border: #E0E0E0;
  --pd-transition: .25s ease;
  padding: 0 0 var(--space-6);
  background: var(--pd-light);
  position: relative;
}

/* ===== 页首 ===== */
.pd-hero {
  background: var(--pd-navy);
  color: var(--pd-white);
  padding: var(--space-4) 0 var(--space-5);
  position: relative;
  overflow: hidden;
}
.pd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}
.pd-hero::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 240px;
  height: 240px;
  background: linear-gradient(135deg, var(--pd-violet), transparent 70%);
  transform: skewX(-14deg);
  opacity: 0.32;
  pointer-events: none;
}
.pd-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
.pd-hero-main {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.pd-hero-code {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--pd-cyan);
  margin: 0 0 var(--space-2);
  padding: 4px 10px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
}
.pd-hero .breadcrumb {
  margin: 0 0 var(--space-3);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}
.pd-hero .breadcrumb a {
  color: var(--pd-cyan);
  text-decoration: none;
}
.pd-hero .breadcrumb a:hover {
  text-decoration: underline;
}
.pd-hero .breadcrumb-sep {
  margin: 0 6px;
  color: rgba(255, 255, 255, 0.35);
}
.pd-hero h1 {
  font-family: var(--font-display);
  font-size: 38px;
  font-weight: 900;
  line-height: 1.12;
  margin: 0 0 var(--space-3);
  letter-spacing: 0.02em;
}
.pd-hero-desc {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.82);
  max-width: 560px;
  margin: 0 0 var(--space-4);
}
.pd-hero-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.pd-hero-meta .mono {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--pd-white);
  opacity: 0.75;
}
.pd-meta-sep {
  display: inline-block;
  width: 1px;
  height: 16px;
  background: rgba(255, 255, 255, 0.3);
}
.pd-hero-meta .status-tag {
  background: rgba(255, 90, 0, 0.14);
  border: 1px solid rgba(255, 90, 0, 0.35);
  color: #FFB899;
  font-size: 12px;
}
.pd-hero-figure {
  position: relative;
  display: block;
}
.pd-hero-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.16);
}
.pd-figure-tag {
  position: absolute;
  left: 14px;
  bottom: 14px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--pd-white);
  background: rgba(7, 26, 43, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.22);
  padding: 4px 10px;
  border-radius: var(--radius);
  pointer-events: none;
}

/* ===== 正文布局 ===== */
.pd-body {
  padding-top: var(--space-5);
  padding-bottom: var(--space-5);
}
.pd-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

/* ===== 目录 ===== */
.pd-toc {
  border: 1px solid var(--pd-border);
  background: var(--pd-white);
  padding: var(--space-3);
  border-radius: var(--radius);
  align-self: start;
}
.pd-toc-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}
.pd-toc-title {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--pd-gray);
  white-space: nowrap;
}
.pd-toc-line {
  flex: 1;
  height: 1px;
  background: var(--pd-border);
}
.pd-toc-list {
  list-style: none;
  margin: 0 0 var(--space-3);
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.pd-toc-item a {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding: 6px 8px;
  font-size: 14px;
  color: var(--pd-gray);
  text-decoration: none;
  border-radius: var(--radius);
  border-left: 2px solid transparent;
  transition: background var(--pd-transition), color var(--pd-transition), border-color var(--pd-transition);
}
.pd-toc-item a .mono {
  color: var(--pd-violet);
  font-size: 12px;
  min-width: 24px;
}
.pd-toc-item a:hover,
.pd-toc-item a:focus-visible {
  background: var(--pd-light);
  color: var(--pd-navy);
  border-left-color: var(--pd-violet);
  outline: none;
}
.pd-toc-foot {
  border-top: 1px solid var(--pd-border);
  padding-top: var(--space-2);
}

/* ===== 内容 ===== */
.pd-content {
  background: var(--pd-white);
  border: 1px solid var(--pd-border);
  border-radius: var(--radius);
  padding: var(--space-4) var(--space-3) var(--space-5);
  position: relative;
}
.pd-content::before {
  content: "";
  display: block;
  height: 4px;
  background: linear-gradient(90deg, var(--pd-violet) 0%, var(--pd-cyan) 100%);
  border-radius: var(--radius) var(--radius) 0 0;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
}

/* ===== 章节 ===== */
.pd-section {
  border-top: 1px solid var(--pd-border);
  padding-top: var(--space-4);
  margin-top: var(--space-4);
}
.pd-section:first-of-type {
  border-top: none;
  margin-top: 0;
  padding-top: var(--space-4);
}
.pd-section-head {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}
.pd-section-index {
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--pd-violet);
  background: rgba(138, 43, 226, 0.08);
  border: 1px solid rgba(138, 43, 226, 0.22);
  padding: 3px 10px;
  border-radius: var(--radius);
  line-height: 1.4;
}
.pd-section-head h2 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 900;
  line-height: 1.3;
  margin: 0;
  color: var(--pd-navy);
  letter-spacing: 0.01em;
}
.pd-section-body p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--pd-gray);
  margin: 0 0 var(--space-3);
}
.pd-section-body p:last-of-type {
  margin-bottom: 0;
}

/* ===== 列表 ===== */
.pd-list {
  margin: 0 0 var(--space-3);
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.pd-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--pd-gray);
}
.pd-list li::before {
  content: "—";
  position: absolute;
  left: 4px;
  top: 0;
  color: var(--pd-orange);
  font-family: var(--font-mono);
  font-size: 13px;
}

/* ===== 提示工具 ===== */
.pd-tip {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-2);
  cursor: default;
  color: var(--pd-gray);
}
.pd-tip-icon {
  color: var(--pd-orange);
  flex-shrink: 0;
}
.pd-tip-text {
  display: none;
  position: absolute;
  bottom: calc(100% + 10px);
  left: 0;
  z-index: 30;
  width: 260px;
  background: var(--pd-ink);
  color: var(--pd-white);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.6;
  box-shadow: 0 6px 24px rgba(7, 26, 43, 0.28);
}
.pd-tip-text::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 18px;
  border: 6px solid transparent;
  border-top-color: var(--pd-ink);
}
.pd-tip:hover .pd-tip-text,
.pd-tip:focus-within .pd-tip-text {
  display: block;
}

/* ===== 同意框 ===== */
.pd-agree-box {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  background: var(--pd-light);
  border: 1px solid var(--pd-border);
  border-left: 3px solid var(--pd-violet);
  border-radius: var(--radius);
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-3);
}
.pd-agree-mark {
  color: var(--pd-violet);
  font-size: 18px;
  line-height: 1.3;
  flex-shrink: 0;
}
.pd-agree-box p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--pd-gray);
}

/* ===== 最后段落 ===== */
.pd-final {
  margin-top: var(--space-3);
}
.pd-final strong {
  color: var(--pd-navy);
  font-family: var(--font-mono);
  font-size: 14px;
  word-break: break-all;
}

/* ===== 相关文档 ===== */
.pd-related {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  border-top: 1px solid var(--pd-border);
  margin-top: var(--space-4);
  padding-top: var(--space-3);
}
.pd-related-label {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--pd-gray);
  opacity: 0.7;
}
.pd-related-link {
  font-size: 14px;
  color: var(--pd-violet);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--pd-transition), color var(--pd-transition);
}
.pd-related-link:hover {
  border-bottom-color: var(--pd-violet);
}
.pd-related-sep {
  color: var(--pd-border);
  font-size: 14px;
}

/* ===== 桌面端 ===== */
@media (min-width: 768px) {
  .pd-hero {
    padding: var(--space-5) 0 var(--space-6);
  }
  .pd-hero h1 {
    font-size: 48px;
  }
  .pd-hero-desc {
    font-size: 16px;
  }
  .pd-hero-inner {
    grid-template-columns: 1fr 420px;
    align-items: center;
    gap: var(--space-5);
  }
  .pd-hero-figure {
    margin: 0;
  }
}

@media (min-width: 992px) {
  .pd-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: var(--space-5);
  }
  .pd-toc {
    position: sticky;
    top: calc(var(--header-h) + var(--space-3));
  }
  .pd-content {
    padding: var(--space-5);
  }
  .pd-section-head h2 {
    font-size: 26px;
  }
}