.page-disclaimer {
  --dcp-rule: rgba(47, 227, 192, 0.42);
  --dcp-text: rgba(243, 246, 241, 0.82);
  --dcp-text-dim: rgba(143, 169, 156, 0.9);
  background: var(--field);
  color: var(--paper);
}

/* ---------- 页头 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  padding: calc(var(--header-total) + 26px) 0 42px;
  background:
    radial-gradient(118% 88% at 90% 0%, rgba(31, 122, 82, 0.52) 0%, rgba(10, 42, 30, 0) 62%),
    linear-gradient(178deg, var(--field) 0%, var(--night) 100%);
  overflow: hidden;
}

.page-disclaimer .usage-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan) 0%, rgba(47, 227, 192, 0) 68%);
}

.page-disclaimer .crumbs {
  margin-bottom: 22px;
}

.page-disclaimer .crumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-disclaimer .crumbs-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(143, 169, 156, 0.5);
}

.page-disclaimer .crumbs-list a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-disclaimer .crumbs-list a:hover,
.page-disclaimer .crumbs-list a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--dcp-rule);
}

.page-disclaimer .crumb-current {
  color: var(--paper);
}

.page-disclaimer .eyebrow {
  margin: 0 0 12px;
}

.page-disclaimer .usage-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 0 0 20px;
  max-width: 20ch;
}

.page-disclaimer .usage-lede {
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.82;
  color: var(--dcp-text);
  margin: 0;
  max-width: 64ch;
}

.page-disclaimer .usage-banner {
  margin: 34px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(140deg, var(--night) 0%, var(--panel) 100%);
  box-shadow: var(--shadow-panel);
}

.page-disclaimer .usage-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1300 / 580;
  object-fit: cover;
}

.page-disclaimer .usage-banner-caption {
  display: block;
  padding: 12px 16px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--mist);
  border-top: 1px solid var(--line-soft);
  background: rgba(6, 27, 19, 0.6);
}

/* ---------- 主体分栏 ---------- */
.page-disclaimer .usage-body {
  padding: 38px 0 76px;
}

.page-disclaimer .usage-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

/* ---------- 条款目录 ---------- */
.page-disclaimer .clause-toc {
  min-width: 0;
  padding: 18px 0 20px;
  border-top: 2px solid var(--cyan);
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .clause-toc-index {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-disclaimer .clause-toc-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .clause-toc-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(18, 58, 44, 0.4);
  color: var(--paper);
  font-size: 13.5px;
  line-height: 1.4;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.page-disclaimer .clause-toc-link:hover,
.page-disclaimer .clause-toc-link:focus-visible {
  border-color: var(--dcp-rule);
  color: var(--cyan);
}

.page-disclaimer .clause-toc-link[data-active="true"],
.page-disclaimer .clause-toc-link[aria-current="true"] {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--cyan-soft);
  box-shadow: inset 0 0 0 1px rgba(47, 227, 192, 0.22);
}

.page-disclaimer .toc-num {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-disclaimer .clause-toc-link[data-active="true"] .toc-num,
.page-disclaimer .clause-toc-link[aria-current="true"] .toc-num {
  color: var(--cyan);
}

.page-disclaimer .clause-toc-note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-disclaimer .clause-toc-cta {
  margin-top: 16px;
  width: 100%;
  text-align: center;
}

/* ---------- 条款正文 ---------- */
.page-disclaimer .clause-flow {
  min-width: 0;
}

.page-disclaimer .clause {
  position: relative;
  padding: 26px 0 22px;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-total) + 24px);
}

.page-disclaimer .clause::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 58px;
  height: 2px;
  background: var(--grass);
}

.page-disclaimer .clause:first-child {
  border-top: none;
  padding-top: 4px;
}

.page-disclaimer .clause:first-child::before {
  display: none;
}

.page-disclaimer .clause-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 16px;
}

.page-disclaimer .clause-no {
  font-family: var(--font-data);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--night);
  background: var(--cyan);
  padding: 4px 9px;
  border-radius: var(--radius);
}

.page-disclaimer .clause-title {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.2vw, 29px);
  line-height: 1.26;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-disclaimer .clause p {
  margin: 0 0 16px;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--dcp-text);
}

.page-disclaimer .clause p:last-child {
  margin-bottom: 4px;
}

.page-disclaimer .clause a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 192, 0.45);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-disclaimer .clause a:hover,
.page-disclaimer .clause a:focus-visible {
  color: var(--yellow);
  border-bottom-color: var(--yellow);
}

/* 条款要点列表 */
.page-disclaimer .clause-list {
  display: grid;
  gap: 10px;
  margin: 4px 0 18px;
  padding: 0;
  list-style: none;
  max-width: 70ch;
}

.page-disclaimer .clause-list li {
  position: relative;
  padding: 12px 16px 12px 36px;
  border-left: 2px solid var(--grass);
  border-radius: var(--radius);
  background: var(--surface);
  font-size: 14.5px;
  line-height: 1.76;
  color: rgba(243, 246, 241, 0.86);
}

.page-disclaimer .clause-list li::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 21px;
  width: 7px;
  height: 7px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-disclaimer .clause-list strong {
  color: var(--paper);
  font-weight: 700;
}

/* 署名示例块 */
.page-disclaimer .cite-sample {
  margin: 6px 0 22px;
  padding: 16px 18px;
  border: 1px solid var(--dcp-rule);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--shadow-panel);
}

.page-disclaimer .cite-key {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-disclaimer .cite-code {
  display: block;
  font-family: var(--font-data);
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

/* 检索路径卡片 */
.page-disclaimer .route-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 4px 0 22px;
}

.page-disclaimer .route-card {
  padding: 16px 18px 18px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--grass);
  border-radius: var(--radius-lg);
  background: linear-gradient(165deg, rgba(18, 58, 44, 0.86) 0%, rgba(6, 27, 19, 0.72) 100%);
}

.page-disclaimer .route-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.01em;
  color: var(--cyan);
}

.page-disclaimer .route-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--dcp-text);
}

/* 数据表 */
.page-disclaimer .table-scroll {
  margin: 6px 0 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  background: rgba(6, 27, 19, 0.5);
}

.page-disclaimer .scope-table {
  width: 100%;
  min-width: 580px;
  border-collapse: collapse;
  font-size: 13.5px;
}

.page-disclaimer .scope-table caption {
  padding: 12px 16px 8px;
  text-align: left;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-disclaimer .scope-table th {
  padding: 10px 16px;
  text-align: left;
  font-family: var(--font-data);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--cyan);
  border-bottom: 1px solid var(--dcp-rule);
  white-space: nowrap;
}

.page-disclaimer .scope-table td {
  padding: 11px 16px;
  color: var(--dcp-text);
  border-bottom: 1px solid var(--line-soft);
  line-height: 1.65;
}

.page-disclaimer .scope-table tbody tr:last-child td {
  border-bottom: none;
}

.page-disclaimer .scope-table tbody tr:hover td {
  background: rgba(47, 227, 192, 0.07);
  color: var(--paper);
}

.page-disclaimer .scope-table td:first-child {
  color: var(--paper);
  font-weight: 600;
  white-space: nowrap;
}

/* 档尾信息条 */
.page-disclaimer .doc-footnote {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  margin-top: 34px;
  padding: 4px 0 0;
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .doc-footnote p {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin: 0;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-disclaimer .doc-key {
  flex: 0 0 auto;
  min-width: 5.4em;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-disclaimer .doc-val {
  flex: 1 1 auto;
  min-width: 0;
  color: var(--dcp-text);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 700px) {
  .page-disclaimer .route-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .doc-footnote {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 28px;
  }
}

@media (min-width: 901px) {
  .page-disclaimer .usage-hero {
    padding: calc(var(--header-total) + 44px) 0 56px;
  }

  .page-disclaimer .usage-body {
    padding: 56px 0 96px;
  }

  .page-disclaimer .usage-layout {
    grid-template-columns: minmax(230px, 268px) minmax(0, 1fr);
    gap: 58px;
  }

  .page-disclaimer .clause-toc {
    position: sticky;
    top: calc(var(--header-total) + 26px);
    align-self: start;
    padding: 0 0 0 20px;
    border-top: none;
    border-bottom: none;
    border-left: 2px solid var(--line);
  }

  .page-disclaimer .clause-toc-list {
    display: block;
  }

  .page-disclaimer .clause-toc-list li + li {
    margin-top: 6px;
  }

  .page-disclaimer .clause-toc-link {
    width: 100%;
    box-sizing: border-box;
    border-color: transparent;
    border-left-width: 0;
    background: transparent;
  }

  .page-disclaimer .clause-toc-link:hover,
  .page-disclaimer .clause-toc-link:focus-visible {
    background: rgba(18, 58, 44, 0.55);
    border-color: var(--line);
  }

  .page-disclaimer .clause-toc-link[data-active="true"],
  .page-disclaimer .clause-toc-link[aria-current="true"] {
    border-color: var(--dcp-rule);
    border-left: 2px solid var(--cyan);
    background: var(--cyan-soft);
  }

  .page-disclaimer .clause {
    padding: 34px 0 28px;
  }

  .page-disclaimer .clause p {
    font-size: 16.5px;
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .usage-layout {
    grid-template-columns: minmax(250px, 292px) minmax(0, 1fr);
    gap: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause-toc-link,
  .page-disclaimer .crumbs-list a,
  .page-disclaimer .clause a {
    transition: none;
  }
}