.page-disclaimer {
  max-width: var(--w-main, 1200px);
  margin: 0 auto;
  padding: clamp(20px, 4vw, 40px);
  position: relative;
}
.page-disclaimer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: radial-gradient(rgba(232, 236, 255, 0.05) 1px, transparent 1.4px);
  background-size: 28px 28px;
}
.page-disclaimer > * {
  position: relative;
  z-index: 1;
}

/* 面包屑 */
.page-disclaimer .breadcrumbs {
  margin-bottom: clamp(18px, 3vw, 28px);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--c-line, #2a3358);
}
.page-disclaimer .breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono, "Roboto Mono", monospace);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-muted, #b0b6cc);
}
.page-disclaimer .breadcrumbs a {
  color: var(--c-muted, #b0b6cc);
  text-decoration: none;
  transition: color 0.2s ease;
}
.page-disclaimer .breadcrumbs a:hover {
  color: var(--c-text, #e8ecff);
}
.page-disclaimer .breadcrumbs li + li::before {
  content: "⁄";
  margin-right: 6px;
  color: var(--c-line, #2a3358);
}
.page-disclaimer .breadcrumbs [aria-current="page"] {
  color: var(--c-accent-2, #ff9a3d);
}

/* 文档卷首 */
.doc-cover {
  position: relative;
  border: 2px solid var(--c-line, #2a3358);
  background:
    radial-gradient(circle at 88% 18%, rgba(0, 212, 255, 0.14), transparent 34%),
    linear-gradient(140deg, rgba(255, 94, 58, 0.12), rgba(10, 15, 44, 0.3) 46%, transparent 80%),
    var(--c-bg-2, #141a3c);
  box-shadow: var(--shadow, 6px 6px 0 rgba(0, 0, 0, 0.45));
  padding: clamp(24px, 5vw, 44px);
  margin-bottom: clamp(28px, 5vw, 48px);
  overflow: hidden;
}
.doc-cover::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--c-accent, #ff5e3a) 0 60px, var(--c-accent-2, #ff9a3d) 60px 140px, var(--c-cyan, #00d4ff) 140px 220px);
  z-index: 2;
}
.doc-cover::after {
  content: "";
  position: absolute;
  top: 16px;
  right: 16px;
  width: 44px;
  height: 30px;
  border-top: 2px solid rgba(255, 94, 58, 0.55);
  border-right: 2px solid rgba(255, 94, 58, 0.55);
  opacity: 0.6;
  pointer-events: none;
}
.doc-cover__topline {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 28px;
  padding-right: 48px;
}
.doc-cover__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(255, 94, 58, 0.55);
  background: rgba(255, 94, 58, 0.1);
  color: var(--c-accent-2, #ff9a3d);
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  font-family: var(--font-mono, "Roboto Mono", monospace);
}
.doc-cover__badge::before {
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  background: var(--c-accent, #ff5e3a);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(255, 94, 58, 0.2);
}
.doc-cover__code {
  font-family: var(--font-mono, "Roboto Mono", monospace);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-muted, #b0b6cc);
}
.doc-cover__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 20px;
}
.doc-cover__title h1 {
  margin: 0 0 14px;
  font-size: clamp(26px, 5.6vw, 46px);
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--c-text, #e8ecff);
  font-weight: 800;
}
.doc-cover__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-muted, #b0b6cc);
  max-width: 68ch;
}
.doc-cover__lead strong {
  color: var(--c-accent-2, #ff9a3d);
  font-weight: 700;
}
.doc-cover__facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 0;
  border: 1px solid var(--c-line, #2a3358);
  background: rgba(10, 15, 44, 0.62);
}
.doc-cover__facts div {
  padding: 14px 16px;
  border-bottom: 1px solid var(--c-line, #2a3358);
}
.doc-cover__facts div:nth-child(odd) {
  border-right: 1px solid var(--c-line, #2a3358);
}
.doc-cover__facts div:nth-last-child(-n + 2) {
  border-bottom: none;
}
.doc-cover__facts dt {
  font-family: var(--font-mono, "Roboto Mono", monospace);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--c-muted, #b0b6cc);
  margin-bottom: 8px;
}
.doc-cover__facts dd {
  margin: 0;
  font-family: var(--font-mono, "Roboto Mono", monospace);
  font-size: 14px;
  font-weight: 700;
  color: var(--c-text, #e8ecff);
  line-height: 1.35;
}

/* 文档整体布局 */
.doc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
}
.doc-body {
  display: grid;
  gap: 26px;
  min-width: 0;
}

/* 侧栏 */
.doc-side {
  display: grid;
  gap: 16px;
}
.doc-side__panel {
  border: 1px solid var(--c-line, #2a3358);
  border-left: 3px solid var(--c-line, #2a3358);
  background: var(--c-bg-2, #141a3c);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.3);
  padding: 18px 16px 14px;
}
.doc-side__panel:first-child {
  border-left-color: var(--c-accent, #ff5e3a);
}
.doc-side__title {
  display: block;
  font-family: var(--font-mono, "Roboto Mono", monospace);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--c-cyan, #00d4ff);
  text-transform: uppercase;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-line, #2a3358);
}
.doc-side__nav {
  display: grid;
  gap: 2px;
}
.doc-side__nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 8px;
  color: var(--c-text, #e8ecff);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  border-left: 2px solid transparent;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.doc-side__nav a:hover {
  background: rgba(255, 255, 255, 0.04);
  border-left-color: var(--c-line-strong, #e8ecff);
}
.doc-side__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: 0 0 auto;
}
.doc-side__dot--accent {
  background: var(--c-accent, #ff5e3a);
}
.doc-side__dot--warn {
  background: var(--c-warn, #ffd166);
}
.doc-side__dot--cyan {
  background: var(--c-cyan, #00d4ff);
}
.doc-side__dot--success {
  background: var(--c-success, #3ddc84);
}
.doc-side__num {
  font-family: var(--font-mono, "Roboto Mono", monospace);
  font-size: 12px;
  color: var(--c-muted, #b0b6cc);
  min-width: 2ch;
}
.doc-side__nav--links a {
  color: var(--c-muted, #b0b6cc);
  font-size: 13px;
}
.doc-side__nav--links a:hover {
  color: var(--c-text, #e8ecff);
  border-left-color: var(--c-accent, #ff5e3a);
}

/* 章节卡片 */
.doc-section {
  position: relative;
  border: 1px solid var(--c-line, #2a3358);
  border-top: 2px solid var(--c-line-strong, #e8ecff);
  background: var(--c-bg-2, #141a3c);
  box-shadow: var(--shadow, 6px 6px 0 rgba(0, 0, 0, 0.45));
  overflow: hidden;
}
.doc-section::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 5px;
}
.doc-section--accent::before {
  background: linear-gradient(180deg, var(--c-accent, #ff5e3a), var(--c-accent-2, #ff9a3d));
}
.doc-section--warn::before {
  background: var(--c-warn, #ffd166);
}
.doc-section--cyan::before {
  background: var(--c-cyan, #00d4ff);
}
.doc-section--success::before {
  background: var(--c-success, #3ddc84);
}
.doc-section__head {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 24px 0;
}
.doc-section__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--c-line, #2a3358);
  font-family: var(--font-mono, "Roboto Mono", monospace);
  font-size: 16px;
  font-weight: 700;
}
.doc-section--accent .doc-section__num {
  border-color: var(--c-accent, #ff5e3a);
  color: var(--c-accent-2, #ff9a3d);
  background: rgba(255, 94, 58, 0.1);
}
.doc-section--warn .doc-section__num {
  border-color: var(--c-warn, #ffd166);
  color: var(--c-warn, #ffd166);
  background: rgba(255, 209, 102, 0.1);
}
.doc-section--cyan .doc-section__num {
  border-color: var(--c-cyan, #00d4ff);
  color: var(--c-cyan, #00d4ff);
  background: rgba(0, 212, 255, 0.1);
}
.doc-section--success .doc-section__num {
  border-color: var(--c-success, #3ddc84);
  color: var(--c-success, #3ddc84);
  background: rgba(61, 220, 132, 0.1);
}
.doc-section__head h2 {
  margin: 0;
  font-size: clamp(20px, 3vw, 27px);
  font-weight: 800;
  color: var(--c-text, #e8ecff);
  letter-spacing: -0.01em;
}
.doc-section__content {
  padding: 18px 24px 24px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--c-text, #e8ecff);
}
.doc-section__content p {
  margin: 0 0 14px;
}
.doc-section__content p:last-child {
  margin-bottom: 0;
}
.doc-section__content a {
  color: var(--c-cyan, #00d4ff);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}
.doc-section__content a:hover {
  border-bottom-color: var(--c-cyan, #00d4ff);
}
.hl {
  color: #ffe1c0;
  font-weight: 700;
  background: linear-gradient(180deg, transparent 55%, rgba(255, 94, 58, 0.3) 55%);
  padding: 0 2px;
}

/* 图片 */
.doc-source__fig {
  margin: 20px 0 0;
  border: 1px solid var(--c-line, #2a3358);
  background: rgba(10, 15, 44, 0.5);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.3);
}
.doc-source__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 800 / 400;
  object-fit: cover;
  border-bottom: 1px solid var(--c-line, #2a3358);
}
.doc-source__fig figcaption {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  font-family: var(--font-mono, "Roboto Mono", monospace);
  font-size: 12px;
  color: var(--c-muted, #b0b6cc);
  letter-spacing: 0.04em;
}
.doc-source__fig figcaption::before {
  content: "◆";
  color: var(--c-cyan, #00d4ff);
  font-size: 10px;
}

/* 警示块 */
.doc-callout {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  border: 1px solid rgba(255, 209, 102, 0.4);
  background: rgba(255, 209, 102, 0.06);
  padding: 14px 16px;
  margin: 18px 0;
}
.doc-callout__mark {
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 209, 102, 0.4);
  background: rgba(255, 209, 102, 0.12);
  color: var(--c-warn, #ffd166);
  font-family: var(--font-mono, "Roboto Mono", monospace);
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
}
.doc-callout p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text, #e8ecff);
}
.doc-callout strong {
  color: var(--c-warn, #ffd166);
  font-weight: 700;
}

/* 规则列表 */
.doc-rulelist {
  margin: 14px 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.doc-rulelist li {
  position: relative;
  padding-left: 32px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text, #e8ecff);
}
.doc-rulelist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  border: 1px solid var(--c-success, #3ddc84);
  border-radius: 50%;
  background: rgba(61, 220, 132, 0.08);
}
.doc-rulelist li::after {
  content: "";
  position: absolute;
  left: 8px;
  top: 9px;
  width: 5px;
  height: 8px;
  border: solid var(--c-success, #3ddc84);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* 结尾说明 */
.doc-closing {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 20px 24px;
  border: 1px dashed var(--c-line-strong, #e8ecff);
  background: rgba(255, 255, 255, 0.02);
}
.doc-closing__mark {
  color: var(--c-accent, #ff5e3a);
  font-family: var(--font-mono, "Roboto Mono", monospace);
  font-size: 26px;
  line-height: 1;
  font-weight: 700;
}
.doc-closing p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted, #b0b6cc);
}
.doc-closing a {
  color: var(--c-cyan, #00d4ff);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}
.doc-closing a:hover {
  border-bottom-color: var(--c-cyan, #00d4ff);
}

/* 平板：封面双栏，侧栏并排 */
@media (min-width: 640px) {
  .doc-cover__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: end;
    gap: 28px;
  }
  .doc-side {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
  }
  .doc-section__content {
    font-size: 15px;
  }
}

/* 桌面：左右分屏 + 侧栏吸顶 + 数据来源图文分栏 */
@media (min-width: 900px) {
  .doc-layout {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 32px;
  }
  .doc-side {
    position: sticky;
    top: 24px;
    align-self: start;
    display: grid;
    grid-template-columns: 1fr;
  }
  .doc-section--accent .doc-section__content {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    column-gap: 28px;
    align-items: start;
  }
  .doc-section--accent .doc-section__content p {
    grid-column: 1;
  }
  .doc-section--accent .doc-section__content p:last-of-type {
    margin-bottom: 0;
  }
  .doc-source__fig {
    grid-column: 2;
    grid-row: 1 / span 3;
    margin: 0;
  }
  .doc-section__head {
    padding: 28px 28px 0;
  }
  .doc-section__content {
    padding: 20px 28px 28px;
  }
}
<<<PAGE_CSS_END>>>