.page-disclaimer {
  --disc-hairline: rgba(13, 34, 54, .14);
  --disc-tint: rgba(7, 19, 31, .04);
  --disc-ghost-bd: rgba(13, 34, 54, .28);
  padding-bottom: 80px;
}

/* 首屏：偏左声明 + 右侧速查栏 */
.page-disclaimer .usage-head {
  display: grid;
  gap: 32px;
  padding-top: 18px;
}

.page-disclaimer .usage-head__text .eyebrow {
  margin: 0 0 14px;
}

.page-disclaimer .usage-head__text h1 {
  margin: 0 0 20px;
}

.page-disclaimer .usage-head__text .lede {
  margin: 0;
  max-width: 62ch;
}

.page-disclaimer .usage-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-disclaimer .usage-meta__item {
  display: grid;
  gap: 6px;
  padding: 16px 14px;
  background: var(--ink-850);
}

.page-disclaimer .usage-meta__key {
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--mist);
}

.page-disclaimer .usage-meta__val {
  font-size: clamp(16px, 2.2vw, 20px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--paper);
}

/* 顶部抽象图形 */
.page-disclaimer .usage-figure {
  margin: 36px 0 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-disclaimer .usage-figure__caption {
  padding: 14px 20px 16px;
  border-top: 1px solid var(--line-soft);
  font-size: var(--fs-14);
  line-height: 1.65;
  color: var(--mist);
}

/* 规范索引胶囊 */
.page-disclaimer .usage-toc {
  margin-top: 44px;
}

.page-disclaimer .usage-toc__label {
  margin: 0 0 14px;
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--mist);
}

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

.page-disclaimer .usage-toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--paper-dim);
  font-size: var(--fs-14);
  text-decoration: none;
  transition: color .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-disclaimer .usage-toc__link .mono {
  font-size: var(--fs-12);
  color: var(--mist);
  transition: color .2s var(--ease);
}

.page-disclaimer .usage-toc__link:hover,
.page-disclaimer .usage-toc__link:focus-visible {
  color: var(--ink-900);
  background: var(--amber);
  border-color: var(--amber);
}

.page-disclaimer .usage-toc__link:hover .mono,
.page-disclaimer .usage-toc__link:focus-visible .mono {
  color: rgba(7, 19, 31, .68);
}

/* 浅色文档面板 */
.page-disclaimer .manual-panel {
  margin-top: 22px;
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid rgba(7, 19, 31, .1);
  border-radius: var(--radius-lg);
  background: var(--paper);
  color: var(--ink-800);
  box-shadow: 0 24px 60px -46px rgba(0, 0, 0, .95);
  scroll-margin-top: 88px;
}

.page-disclaimer .manual-panel--first {
  margin-top: 40px;
}

.page-disclaimer .manual-panel__no {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--ink-750);
}

.page-disclaimer .manual-panel__no::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--hit);
}

.page-disclaimer .manual-panel__title {
  margin: 12px 0 0;
  font-family: var(--font-sans);
  font-size: clamp(20px, 3.2vw, 28px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--ink-900);
}

.page-disclaimer .manual-panel p {
  margin: 16px 0 0;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--ink-800);
}

/* 编号条目表 */
.page-disclaimer .spec-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--disc-hairline);
}

.page-disclaimer .spec-item {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--disc-hairline);
}

.page-disclaimer .spec-item__key {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--ink-750);
}

.page-disclaimer .spec-item__val {
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--ink-800);
}

/* 版本对照：可展开 */
.page-disclaimer .version-compare {
  margin-top: 24px;
}

.page-disclaimer .version-compare__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 18px;
  border: 1px solid var(--disc-ghost-bd);
  border-radius: var(--radius-md);
  background: var(--disc-tint);
  font-size: var(--fs-16);
  font-weight: 600;
  color: var(--ink-900);
  cursor: pointer;
  list-style: none;
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-disclaimer .version-compare__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .version-compare__summary:hover,
.page-disclaimer .version-compare__summary:focus-visible {
  border-color: var(--hit-deep);
  background: rgba(27, 127, 108, .08);
}

.page-disclaimer .version-compare__badge {
  flex: none;
  padding: 3px 8px;
  border: 1px solid var(--hit-deep);
  border-radius: 4px;
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--hit-deep);
}

.page-disclaimer .version-compare__label {
  min-width: 0;
}

.page-disclaimer .version-compare__sign {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  margin-left: auto;
}

.page-disclaimer .version-compare__sign::before,
.page-disclaimer .version-compare__sign::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  background: var(--ink-800);
  border-radius: 2px;
}

.page-disclaimer .version-compare__sign::before {
  width: 14px;
  height: 2px;
}

.page-disclaimer .version-compare__sign::after {
  width: 2px;
  height: 14px;
  transition: transform .2s var(--ease), opacity .2s var(--ease);
}

.page-disclaimer .version-compare[open] .version-compare__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-disclaimer .version-compare__track {
  display: grid;
  gap: 12px;
  padding-top: 14px;
}

.page-disclaimer .version-bar {
  padding: 18px 20px;
  border: 1px solid var(--disc-hairline);
  border-left: 4px solid var(--ink-800);
  border-radius: var(--radius-sm);
  background: var(--disc-tint);
}

.page-disclaimer .version-bar--alt {
  border-left: 4px dashed var(--ink-750);
}

.page-disclaimer .version-bar__title {
  margin: 0;
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--ink-900);
}

.page-disclaimer .version-bar__meta {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: var(--ink-750);
}

.page-disclaimer .version-bar__list {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .version-bar__list li {
  position: relative;
  padding-left: 16px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--ink-800);
}

.page-disclaimer .version-bar__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--line);
}

/* 核对清单 */
.page-disclaimer .check-list {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .check-list li {
  position: relative;
  padding-left: 26px;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--ink-800);
}

.page-disclaimer .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .5em;
  width: 10px;
  height: 10px;
  border: 2px solid var(--hit-deep);
  border-radius: 3px;
}

/* 三步小图式 */
.page-disclaimer .step-flow {
  display: grid;
  gap: 14px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .step-flow__item {
  padding: 18px 18px 16px;
  border-top: 2px solid var(--ink-800);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  background: var(--disc-tint);
}

.page-disclaimer .step-flow__no {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .14em;
  color: var(--hit-deep);
}

.page-disclaimer .step-flow__title {
  margin: 8px 0 0;
  font-size: var(--fs-16);
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-900);
}

.page-disclaimer .step-flow__text {
  margin: 6px 0 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--ink-800);
}

/* 面板内按钮 */
.page-disclaimer .panel-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
}

.page-disclaimer .manual-panel .btn--ghost {
  color: var(--ink-800);
  border-color: var(--disc-ghost-bd);
  background: transparent;
}

.page-disclaimer .manual-panel .btn--ghost:hover,
.page-disclaimer .manual-panel .btn--ghost:focus-visible {
  color: var(--ink-900);
  border-color: var(--ink-800);
  background: var(--disc-tint);
}

/* 联系方式：琥珀金描边深色面板 */
.page-disclaimer .contact-slab {
  margin-top: 22px;
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid rgba(242, 184, 75, .5);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 150% at 0% 0%, rgba(242, 184, 75, .16), transparent 62%),
    var(--ink-800);
  scroll-margin-top: 88px;
}

.page-disclaimer .contact-slab__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--amber);
}

.page-disclaimer .contact-slab__title {
  margin: 12px 0 0;
  font-size: clamp(22px, 3.4vw, 30px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-disclaimer .contact-slab__lede {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--paper-dim);
}

.page-disclaimer .contact-slab__list {
  margin: 26px 0 0;
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .contact-slab__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .contact-slab__row dt {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--mist);
}

.page-disclaimer .contact-slab__row dd {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-disclaimer .contact-slab__note {
  margin: 20px 0 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}

.page-disclaimer .contact-slab__icp {
  margin: 18px 0 0;
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--mist);
}

/* 中屏 */
@media (min-width: 640px) {
  .page-disclaimer .contact-slab__row {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-disclaimer .spec-item {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 780px) {
  .page-disclaimer .step-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-disclaimer .version-compare__track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 桌面端：非对称首屏 */
@media (min-width: 900px) {
  .page-disclaimer .usage-head {
    grid-template-columns: minmax(0, 1.55fr) minmax(250px, .75fr);
    align-items: end;
    gap: 56px;
  }

  .page-disclaimer .usage-meta {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-disclaimer .usage-meta__item {
    padding: 15px 18px;
  }

  .page-disclaimer .spec-item {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 28px;
  }
}

@media (min-width: 1080px) {
  .page-disclaimer .usage-toc__list {
    gap: 12px;
  }

  .page-disclaimer .manual-panel,
  .page-disclaimer .contact-slab {
    padding: 48px 52px;
  }
}