.page-disclaimer {
  --doc-panel: #12324A;
  --doc-panel-2: #0E1A33;
  --doc-line: #1E2A44;
  --doc-ink: #C3D3E6;
  color: var(--text);
  font-family: var(--sans);
  background:
    radial-gradient(1000px 520px at 84% -12%, rgba(255, 90, 54, .16), transparent 62%),
    radial-gradient(760px 420px at 6% 34%, rgba(56, 214, 224, .08), transparent 66%),
    linear-gradient(180deg, #070E1F 0%, #0E1A33 46%, #070E1F 100%);
}

.page-disclaimer .mono {
  font-family: var(--mono);
}

/* 面包屑 */
.page-disclaimer .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: var(--wrap-w);
  margin: 0 auto;
  padding: 22px clamp(20px, 4vw, 40px) 0;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--muted);
}

.page-disclaimer .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-disclaimer .breadcrumb a:hover,
.page-disclaimer .breadcrumb a:focus-visible {
  color: var(--text);
  border-bottom-color: var(--accent-warm);
}

/* 首屏 */
.page-disclaimer .doc-hero {
  position: relative;
  padding: 30px 0 0;
}

.page-disclaimer .doc-hero__head {
  max-width: 900px;
}

.page-disclaimer .doc-hero .eyebrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--accent-warm);
}

.page-disclaimer .doc-hero h1 {
  margin: 16px 0 18px;
  font-size: clamp(30px, 5.4vw, 54px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: #F2F7FD;
}

.page-disclaimer .doc-hero__lede {
  max-width: 760px;
  margin: 0;
  font-size: clamp(15px, 1.5vw, 17.5px);
  line-height: 1.8;
  color: #B9CBE0;
}

.page-disclaimer .doc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .doc-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 15px;
  font-size: 12.5px;
  color: var(--muted);
  background: rgba(255, 255, 255, .03);
  border: 1px solid var(--doc-line);
  border-left: 2px solid var(--accent-warm);
}

.page-disclaimer .doc-hero__meta b {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  color: #F2F7FD;
}

.page-disclaimer .doc-hero__media {
  margin-top: 36px;
}

.page-disclaimer .doc-hero__figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--doc-line);
  background: linear-gradient(120deg, #0E1A33, #12324A 58%, #0E1A33);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

.page-disclaimer .doc-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(100deg, rgba(255, 138, 61, .16), transparent 56%);
}

.page-disclaimer .doc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  opacity: .92;
}

/* 侧轨 + 正文 */
.page-disclaimer .doc-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  margin-top: 54px;
  padding-bottom: 72px;
  align-items: start;
}

.page-disclaimer .doc-body {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.page-disclaimer .doc-rail {
  min-width: 0;
  padding: 18px 16px;
  border: 1px solid var(--doc-line);
  background: rgba(14, 26, 51, .74);
}

.page-disclaimer .doc-rail .rail__title {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--accent-warm);
}

.page-disclaimer .doc-rail .rail-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-disclaimer .doc-rail .rail-nav__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.page-disclaimer .doc-rail .rail-nav__link .mono {
  flex: none;
  font-size: 11.5px;
  color: #6C819D;
}

.page-disclaimer .doc-rail .rail-nav__link:hover,
.page-disclaimer .doc-rail .rail-nav__link:focus-visible {
  color: var(--text);
  border-left-color: var(--accent-warm);
  background: rgba(255, 138, 61, .07);
}

.page-disclaimer .doc-rail .rail-nav__link.is-on,
.page-disclaimer .doc-rail .rail-nav__link[aria-current="true"] {
  color: #F2F7FD;
  border-left-color: var(--accent);
  background: rgba(255, 90, 54, .1);
}

.page-disclaimer .doc-rail .rail-nav__link.is-on .mono,
.page-disclaimer .doc-rail .rail-nav__link[aria-current="true"] .mono {
  color: var(--accent);
}

.page-disclaimer .doc-rail__foot {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--doc-line);
}

.page-disclaimer .doc-rail__note {
  margin: 0 0 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* 复制按钮 */
.page-disclaimer .copy-btn {
  appearance: none;
  display: inline-block;
  padding: 7px 13px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
  background: rgba(56, 214, 224, .1);
  border: 1px solid rgba(56, 214, 224, .45);
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease);
}

.page-disclaimer .copy-btn:hover,
.page-disclaimer .copy-btn:focus-visible {
  color: #DFF8FA;
  background: rgba(56, 214, 224, .22);
}

/* 章节 */
.page-disclaimer .doc-sec {
  scroll-margin-top: 110px;
}

.page-disclaimer .doc-sec + .doc-sec {
  margin-top: 46px;
  padding-top: 40px;
  border-top: 1px solid rgba(30, 42, 68, .78);
}

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

.page-disclaimer .doc-sec__num {
  flex: none;
  font-family: var(--mono);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: rgba(245, 182, 46, .92);
}

.page-disclaimer .doc-sec__title {
  margin: 0;
  font-size: clamp(19px, 2.5vw, 25px);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -.01em;
  color: #F2F7FD;
}

.page-disclaimer .rule-tick {
  height: 10px;
  margin: 16px 0 24px;
  border: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(143, 163, 191, .42) 0 1px, transparent 1px 14px),
    linear-gradient(90deg, var(--accent-warm), rgba(255, 138, 61, 0) 74%);
  background-size: 100% 5px, 100% 1px;
  background-position: 0 0, 0 9px;
  background-repeat: no-repeat;
}

.page-disclaimer .doc-sec__body p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--doc-ink);
}

.page-disclaimer .doc-sec__body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .doc-sec__body strong {
  color: #F2F7FD;
  font-weight: 700;
}

.page-disclaimer .doc-sec__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 214, 224, .4);
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-disclaimer .doc-sec__body a:hover,
.page-disclaimer .doc-sec__body a:focus-visible {
  color: #DFF8FA;
  border-bottom-color: #DFF8FA;
}

/* 条目列表 */
.page-disclaimer .doc-list {
  display: grid;
  gap: 10px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-disclaimer .doc-list li {
  position: relative;
  padding: 13px 16px 13px 32px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--doc-ink);
  background: rgba(18, 50, 74, .42);
  border-left: 2px solid var(--doc-line);
}

.page-disclaimer .doc-list li::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 22px;
  width: 7px;
  height: 7px;
  background: var(--accent-warm);
  transform: rotate(45deg);
}

.page-disclaimer .doc-list--amber li {
  border-left-color: rgba(245, 182, 46, .45);
}

.page-disclaimer .doc-list--amber li::before {
  background: var(--amber);
}

/* 字段表 */
.page-disclaimer .doc-fields {
  margin: 0 0 18px;
  border: 1px solid var(--doc-line);
  background: rgba(14, 26, 51, .58);
}

.page-disclaimer .doc-fields__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 16px;
  border-top: 1px solid rgba(30, 42, 68, .72);
}

.page-disclaimer .doc-fields__row:first-child {
  border-top: 0;
}

.page-disclaimer .doc-fields__row dt {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-disclaimer .doc-fields__row dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--doc-ink);
}

/* 数据表 */
.page-disclaimer .doc-table-wrap {
  margin: 0 0 18px;
  overflow-x: auto;
  border: 1px solid var(--doc-line);
  background: rgba(14, 26, 51, .58);
}

.page-disclaimer .doc-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-disclaimer .doc-table th,
.page-disclaimer .doc-table td {
  padding: 12px 15px;
  text-align: left;
  line-height: 1.6;
  border-bottom: 1px solid rgba(30, 42, 68, .72);
}

.page-disclaimer .doc-table thead th {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .1em;
  white-space: nowrap;
  color: var(--accent-warm);
  background: rgba(255, 138, 61, .07);
}

.page-disclaimer .doc-table tbody td {
  color: var(--doc-ink);
}

.page-disclaimer .doc-table tbody td:first-child {
  font-weight: 700;
  color: #F2F7FD;
}

.page-disclaimer .doc-table tbody tr:last-child td {
  border-bottom: 0;
}

/* 引用格式块 */
.page-disclaimer .doc-quote {
  margin: 0 0 18px;
  border: 1px solid rgba(56, 214, 224, .3);
  background: linear-gradient(140deg, rgba(56, 214, 224, .1), rgba(7, 14, 31, .62) 62%);
}

.page-disclaimer .doc-quote__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 14px;
  border-bottom: 1px solid rgba(56, 214, 224, .22);
}

.page-disclaimer .doc-quote__label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-disclaimer .doc-quote__code {
  margin: 0;
  padding: 16px 15px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 2;
  color: #DCE9F6;
  white-space: pre-wrap;
  word-break: break-word;
}

.page-disclaimer .doc-quote__code em {
  font-style: normal;
  color: var(--accent-warm);
}

/* 版本对比 */
.page-disclaimer .doc-ver {
  margin: 4px 0 20px;
}

.page-disclaimer .doc-ver .tablist {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--doc-line);
}

.page-disclaimer .doc-ver .tab {
  appearance: none;
  padding: 11px 16px 13px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--muted);
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: color .18s var(--ease), background .18s var(--ease);
}

.page-disclaimer .doc-ver .tab:hover,
.page-disclaimer .doc-ver .tab:focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, .04);
}

.page-disclaimer .doc-ver .tab[aria-selected="true"] {
  color: #F2F7FD;
}

.page-disclaimer .doc-ver .tablist__indicator {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: transform .18s var(--ease), width .18s var(--ease);
}

.page-disclaimer .doc-ver .tab-panel {
  display: block;
  font-size: 15px;
  line-height: 1.8;
  color: var(--doc-ink);
}

.page-disclaimer .doc-ver .tab-panel[hidden] {
  display: none;
}

.page-disclaimer .doc-diff {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .doc-diff li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 15px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--doc-ink);
  background: rgba(18, 50, 74, .4);
  border: 1px solid var(--doc-line);
}

.page-disclaimer .doc-diff__flag {
  flex: none;
  margin-top: 2px;
  padding: 2px 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  border: 1px solid currentColor;
}

.page-disclaimer .doc-diff__flag--add {
  color: var(--green);
}

.page-disclaimer .doc-diff__flag--mod {
  color: var(--amber);
}

.page-disclaimer .doc-diff__flag--old {
  color: var(--muted);
}

/* 页尾行动区 */
.page-disclaimer .doc-cta {
  margin-top: 56px;
  padding: 30px clamp(20px, 4vw, 38px);
  background: linear-gradient(135deg, rgba(255, 90, 54, .15), rgba(7, 14, 31, .55) 58%);
  border: 1px solid rgba(255, 90, 54, .32);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

.page-disclaimer .doc-cta__title {
  margin: 0 0 12px;
  font-size: clamp(20px, 2.6vw, 27px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: #F2F7FD;
}

.page-disclaimer .doc-cta__text {
  max-width: 720px;
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.8;
  color: #C6D6E8;
}

.page-disclaimer .doc-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 桌面端 */
@media (min-width: 960px) {
  .page-disclaimer .doc-shell {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: 52px;
    margin-top: 64px;
  }

  .page-disclaimer .doc-rail {
    position: sticky;
    top: 118px;
  }

  .page-disclaimer .doc-fields__row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

/* 移动端侧轨改为横向滚动 */
@media (max-width: 959px) {
  .page-disclaimer .doc-rail {
    padding: 14px 14px 12px;
  }

  .page-disclaimer .doc-rail .rail-nav {
    flex-direction: row;
    gap: 6px;
    padding-bottom: 4px;
    overflow-x: auto;
    scrollbar-width: thin;
  }

  .page-disclaimer .doc-rail .rail-nav__link {
    flex: none;
    white-space: nowrap;
    padding: 8px 12px;
    border-left: 0;
    border-bottom: 2px solid transparent;
  }

  .page-disclaimer .doc-rail .rail-nav__link:hover,
  .page-disclaimer .doc-rail .rail-nav__link:focus-visible {
    border-left: 0;
    border-bottom-color: var(--accent-warm);
  }

  .page-disclaimer .doc-rail .rail-nav__link.is-on,
  .page-disclaimer .doc-rail .rail-nav__link[aria-current="true"] {
    border-left: 0;
    border-bottom-color: var(--accent);
  }
}

@media (max-width: 560px) {
  .page-disclaimer .doc-hero h1 {
    margin-top: 12px;
  }

  .page-disclaimer .doc-hero__meta li {
    flex: 1 1 100%;
    justify-content: space-between;
  }

  .page-disclaimer .doc-quote__head {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-disclaimer .doc-cta__actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}