.page-disclaimer {
  --ud-line: 2px solid var(--c-rock);
  --ud-line-light: 2px solid rgba(244, 241, 234, 0.22);
  --ud-sec-gap: 48px;
  --ud-rail-w: 232px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .ud-hero {
  position: relative;
  margin-top: 20px;
  padding: 32px 0 40px;
  background-color: var(--c-steel);
  background-image:
    repeating-linear-gradient(115deg, rgba(215, 25, 32, 0.26) 0 18px, transparent 18px 46px),
    linear-gradient(180deg, var(--c-steel) 0%, var(--c-night) 100%);
  border-top: 3px solid var(--c-rock);
  border-bottom: 3px solid var(--c-rock);
  color: var(--c-bone);
}

.page-disclaimer .ud-hero-grid {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-disclaimer .ud-eyebrow {
  color: var(--c-lime);
  letter-spacing: 0.16em;
}

.page-disclaimer .ud-title {
  margin: 12px 0 16px;
  font-family: var(--font-narrow);
  font-weight: 900;
  font-size: 34px;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: #fff;
  transform: skewX(-2deg);
  transform-origin: left bottom;
}

.page-disclaimer .ud-lead {
  max-width: 56ch;
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-mist);
}

.page-disclaimer .ud-quick {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-disclaimer .ud-quick li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-paper);
}

.page-disclaimer .ud-quick li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 9px;
  height: 9px;
  background: var(--c-lime);
  border-radius: 1px;
}

.page-disclaimer .ud-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-disclaimer .ud-hero .btn-ghost {
  color: var(--c-bone);
  border-color: var(--c-bone);
  background: transparent;
}

.page-disclaimer .ud-hero .btn-ghost:hover,
.page-disclaimer .ud-hero .btn-ghost:focus-visible {
  background: rgba(244, 241, 234, 0.12);
  color: #fff;
}

.page-disclaimer .ud-hero-figure {
  margin: 0;
}

.page-disclaimer .ud-hero-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 3px solid var(--c-rock);
  box-shadow: 6px 6px 0 #000;
  background: var(--c-paper);
  border-radius: var(--radius);
}

.page-disclaimer .ud-figcap {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-lime);
}

/* ---------- 主体布局 ---------- */
.page-disclaimer .ud-body {
  padding-top: 28px;
  padding-bottom: 56px;
}

.page-disclaimer .ud-rail {
  border-bottom: var(--ud-line);
  padding-bottom: 12px;
  margin-bottom: 28px;
}

.page-disclaimer .ud-rail-head {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-cement);
}

.page-disclaimer .ud-rail .rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.page-disclaimer .ud-rail .rail-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 2px solid var(--c-rock);
  border-radius: var(--radius);
  background: var(--c-paper);
  color: var(--c-rock);
  font-size: 14px;
  line-height: 1.3;
  text-decoration: none;
  white-space: nowrap;
  transition: background 160ms ease, color 160ms ease;
}

.page-disclaimer .ud-rail .rail-link:hover {
  background: var(--c-bone);
  border-color: var(--c-red);
}

.page-disclaimer .ud-rail .rail-link[aria-current="true"] {
  background: var(--c-red);
  border-color: var(--c-red-deep);
  color: #fff;
}

.page-disclaimer .ud-rail-num {
  font-size: 12px;
  letter-spacing: 0.06em;
  opacity: 0.75;
}

.page-disclaimer .ud-top-link {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-rock);
  text-decoration: none;
  border-bottom: 2px solid var(--c-red);
  padding-bottom: 2px;
}

.page-disclaimer .ud-top-link:hover {
  color: var(--c-red);
}

/* ---------- 章节 ---------- */
.page-disclaimer .ud-sec {
  scroll-margin-top: 132px;
  padding-bottom: var(--ud-sec-gap);
  margin-bottom: var(--ud-sec-gap);
  border-bottom: 2px dashed rgba(58, 64, 72, 0.32);
}

.page-disclaimer .ud-sec:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-disclaimer .ud-sec-title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 18px;
  font-family: var(--font-narrow);
  font-weight: 900;
  font-size: 24px;
  line-height: 1.2;
  color: var(--c-rock);
  transform: skewX(-2deg);
  transform-origin: left bottom;
}

.page-disclaimer .ud-num {
  flex: 0 0 auto;
  font-size: 40px;
  line-height: 0.9;
  color: var(--c-red);
  letter-spacing: 0.02em;
  transform: skewX(0deg);
}

.page-disclaimer .ud-prose {
  max-width: 68ch;
}

.page-disclaimer .ud-prose p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.62;
  color: var(--c-rock);
}

.page-disclaimer .ud-prose a {
  color: var(--c-red-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .ud-tip {
  margin: 18px 0 0;
  font-size: 15px;
}

.page-disclaimer .ud-tip .link-arrow {
  color: var(--c-red-deep);
  font-weight: 700;
}

/* ---------- 浏览器网格 ---------- */
.page-disclaimer .ud-browser-grid {
  list-style: none;
  margin: 20px 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-disclaimer .ud-browser {
  padding: 14px 16px;
  background: var(--c-paper);
  border: var(--ud-line);
  border-radius: var(--radius);
  box-shadow: 4px 4px 0 var(--c-rock);
}

.page-disclaimer .ud-browser-name {
  display: inline-block;
  margin-bottom: 6px;
  padding: 2px 8px;
  background: var(--c-steel);
  color: var(--c-bone);
  font-size: 12px;
  letter-spacing: 0.08em;
  border-radius: 2px;
}

.page-disclaimer .ud-browser p {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-rock);
}

/* ---------- 引用规则 ---------- */
.page-disclaimer .ud-rules {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-disclaimer .ud-rules li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 16px;
  background: var(--c-bone);
  border: var(--ud-line);
  border-left: 8px solid var(--c-red);
  border-radius: var(--radius);
}

.page-disclaimer .ud-rule-idx {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-red);
  padding-top: 2px;
}

.page-disclaimer .ud-rules h3 {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.35;
  color: var(--c-rock);
}

.page-disclaimer .ud-rules p {
  margin: 0;
  font-size: 15px;
  line-height: 1.58;
  color: var(--c-rock);
}

/* ---------- 编号卡 ---------- */
.page-disclaimer .ud-code-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 22px 0;
}

.page-disclaimer .ud-code {
  padding: 20px 18px;
  background: var(--c-bone);
  border: 3px solid var(--c-rock);
  border-radius: var(--radius);
  box-shadow: 6px 6px 0 var(--c-rock);
  border-top-width: 10px;
}

.page-disclaimer .ud-code--c {
  border-top-color: var(--c-red);
}

.page-disclaimer .ud-code--a {
  border-top-color: var(--c-moss);
}

.page-disclaimer .ud-code--v {
  border-top-color: var(--c-steel);
}

.page-disclaimer .ud-code-tag {
  margin: 0 0 6px;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1;
}

.page-disclaimer .ud-code--c .ud-code-tag {
  color: var(--c-red);
}

.page-disclaimer .ud-code--a .ud-code-tag {
  color: var(--c-moss);
}

.page-disclaimer .ud-code--v .ud-code-tag {
  color: var(--c-steel);
}

.page-disclaimer .ud-code-title {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.3;
  color: var(--c-rock);
}

.page-disclaimer .ud-code-desc {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.58;
  color: var(--c-rock);
}

.page-disclaimer .ud-more {
  border-top: 2px solid var(--c-paper);
  padding-top: 10px;
}

.page-disclaimer .ud-more summary {
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-red-deep);
  list-style: none;
  padding-right: 18px;
  position: relative;
}

.page-disclaimer .ud-more summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .ud-more summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: -2px;
  font-family: var(--font-mono);
  color: var(--c-red);
}

.page-disclaimer .ud-more[open] summary::after {
  content: "−";
}

.page-disclaimer .ud-more summary:focus-visible {
  outline: 2px solid var(--c-lime);
  outline-offset: 2px;
}

.page-disclaimer .ud-more ul {
  list-style: none;
  margin: 10px 0 12px;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-disclaimer .ud-more li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--c-rock);
}

.page-disclaimer .ud-more li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 7px;
  height: 7px;
  background: var(--c-cement);
  border-radius: 1px;
}

.page-disclaimer .ud-more .link-arrow {
  font-size: 13px;
  color: var(--c-steel);
  font-weight: 700;
}

.page-disclaimer .ud-search-note {
  padding: 16px 18px;
  background: var(--c-night);
  border: var(--ud-line);
  border-radius: var(--radius);
  color: var(--c-paper);
}

.page-disclaimer .ud-search-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-mist);
}

.page-disclaimer .ud-search-label {
  margin-bottom: 6px !important;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-lime) !important;
}

/* ---------- 版本条 ---------- */
.page-disclaimer .ud-version-bar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 22px 0 0;
  background: var(--c-rock);
  border: 3px solid var(--c-rock);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-disclaimer .ud-version-cell {
  padding: 16px 18px;
  background: var(--c-steel);
  color: var(--c-bone);
}

.page-disclaimer .ud-version-label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-lime);
}

.page-disclaimer .ud-version-value {
  margin: 0;
  font-size: 32px;
  line-height: 1;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.04em;
}

.page-disclaimer .ud-version-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--c-paper);
}

/* ---------- 页尾 ---------- */
.page-disclaimer .ud-outro {
  background: var(--c-night);
  border-top: 3px solid var(--c-rock);
  padding: 28px 0 44px;
}

.page-disclaimer .ud-ruler {
  height: 26px;
  margin-bottom: 28px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--c-mist) 0 2px,
    transparent 2px 26px
  );
  background-size: 100% 14px;
  background-position: bottom left;
  background-repeat: repeat-x;
  border-bottom: 2px solid var(--c-mist);
  opacity: 0.6;
}

.page-disclaimer .ud-outro-inner {
  color: var(--c-bone);
}

.page-disclaimer .ud-outro-row {
  display: grid;
  gap: 22px;
}

.page-disclaimer .ud-outro .ud-eyebrow {
  color: var(--c-lime);
}

.page-disclaimer .ud-outro-title {
  margin: 8px 0 12px;
  font-family: var(--font-narrow);
  font-weight: 900;
  font-size: 24px;
  line-height: 1.2;
  color: #fff;
  transform: skewX(-2deg);
  transform-origin: left bottom;
}

.page-disclaimer .ud-outro-text {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.62;
  color: var(--c-mist);
}

.page-disclaimer .ud-outro-text a {
  color: var(--c-bone);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .ud-outro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .ud-browser-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-disclaimer .ud-version-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-disclaimer .ud-hero {
    padding: 48px 0 56px;
  }
  .page-disclaimer .ud-hero-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 40px;
    align-items: center;
  }
  .page-disclaimer .ud-title {
    font-size: 46px;
  }
  .page-disclaimer .ud-browser-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-disclaimer .ud-code-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-disclaimer .ud-version-bar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-disclaimer .ud-outro-row {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 32px;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .ud-body {
    display: grid;
    grid-template-columns: var(--ud-rail-w) minmax(0, 1fr);
    padding-top: 40px;
    padding-bottom: 72px;
  }
  .page-disclaimer .ud-rail {
    position: sticky;
    top: 128px;
    align-self: start;
    border-bottom: 0;
    border-right: var(--ud-line);
    padding: 0 24px 0 0;
    margin-bottom: 0;
    max-height: calc(100vh - 160px);
    overflow-y: auto;
  }
  .page-disclaimer .ud-rail .rail {
    flex-direction: column;
    overflow: visible;
    gap: 6px;
    padding-bottom: 0;
  }
  .page-disclaimer .ud-rail .rail-link {
    width: 100%;
    white-space: normal;
    padding: 10px 12px;
  }
  .page-disclaimer .ud-content {
    padding-left: 40px;
    min-width: 0;
  }
  .page-disclaimer .ud-sec-title {
    font-size: 28px;
  }
  .page-disclaimer .ud-prose p {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .ud-rail .rail-link,
  .page-disclaimer .ud-hero-figure img {
    transition: none;
  }
}
<<<END>>>