.page-disclaimer {
  --pd-toc-w: 268px;
  --pd-line-amber: 3px;
  --pd-sticky-top: calc(var(--strip-h) + 20px);
  display: block;
  color: var(--text);
}

/* ---------- 首屏 ---------- */

.page-disclaimer .usage-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 60px) 0 clamp(30px, 5vw, 68px);
  border-radius: 0 0 var(--r-lg) var(--r-lg);
}

.page-disclaimer .usage-hero__inner {
  display: grid;
  grid-template-areas:
    "crumbs"
    "copy"
    "media";
  gap: 20px;
}

.page-disclaimer .usage-hero__crumbs {
  grid-area: crumbs;
}

.page-disclaimer .usage-hero__copy {
  grid-area: copy;
  min-width: 0;
}

.page-disclaimer .usage-hero__media {
  grid-area: media;
}

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

.page-disclaimer .usage-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(1.85rem, 5vw, 3.05rem);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-disclaimer .usage-hero__title-mark {
  font-family: var(--font-mono);
  font-size: 0.86em;
  letter-spacing: 0.06em;
  color: var(--amber);
  padding: 0 4px;
  border-bottom: 2px solid rgba(245, 185, 66, 0.55);
}

.page-disclaimer .usage-hero .lede {
  margin: 0;
  max-width: 46ch;
  color: var(--text-2);
}

.page-disclaimer .usage-hero__facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
}

.page-disclaimer .usage-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.9rem;
  min-width: 0;
}

.page-disclaimer .usage-hero__fact-label {
  color: var(--text-2);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
}

.page-disclaimer .usage-hero__media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.34), rgba(34, 211, 238, 0.16));
}

.page-disclaimer .usage-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-disclaimer .usage-hero__inner {
    grid-template-areas:
      "crumbs crumbs"
      "copy media";
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 30px 44px;
    align-items: end;
  }
}

/* ---------- 条款主体 ---------- */

.page-disclaimer .usage-doc {
  margin-top: clamp(18px, 3vw, 38px);
  padding: clamp(26px, 5vw, 62px) 0 clamp(36px, 6vw, 84px);
  border-radius: var(--r-lg);
  position: relative;
}

.page-disclaimer .usage-doc__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

@media (min-width: 1024px) {
  .page-disclaimer .usage-doc__grid {
    grid-template-columns: var(--pd-toc-w) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
}

/* ---------- 条款索引 ---------- */

.page-disclaimer .usage-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--text-2);
}

.page-disclaimer .usage-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .usage-toc__item {
  flex: none;
}

.page-disclaimer .usage-toc__link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 15px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: rgba(11, 16, 32, 0.72);
  color: var(--text-2);
  text-decoration: none;
  white-space: nowrap;
  font-size: 0.88rem;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-disclaimer .usage-toc__link:hover,
.page-disclaimer .usage-toc__link:focus-visible {
  color: var(--text);
  border-color: rgba(124, 58, 237, 0.62);
  background: rgba(27, 20, 64, 0.72);
  outline: none;
}

.page-disclaimer .usage-toc__link:focus-visible {
  box-shadow: 0 0 0 2px rgba(34, 211, 238, 0.6);
}

.page-disclaimer .usage-toc__num {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--amber);
  flex: none;
}

.page-disclaimer .usage-toc__note {
  margin: 12px 0 0;
  color: var(--text-2);
}

@media (min-width: 1024px) {
  .page-disclaimer .usage-toc {
    position: sticky;
    top: var(--pd-sticky-top);
    align-self: start;
  }

  .page-disclaimer .usage-toc__list {
    flex-direction: column;
    gap: 5px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .usage-toc__item {
    flex: 1 1 auto;
  }

  .page-disclaimer .usage-toc__link {
    white-space: normal;
    border-radius: var(--r-sm);
    font-size: 0.9rem;
  }
}

/* ---------- 条款 ---------- */

.page-disclaimer .usage-body {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.page-disclaimer .clause {
  position: relative;
  padding: 22px 20px 24px 20px;
  border: 1px solid var(--line);
  border-left: var(--pd-line-amber) solid rgba(34, 211, 238, 0.5);
  border-radius: var(--r-md);
  background: rgba(11, 16, 32, 0.62);
  scroll-margin-top: calc(var(--strip-h) + 16px);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-disclaimer .clause--key {
  border-left-color: var(--amber);
  background: linear-gradient(180deg, rgba(52, 17, 37, 0.34), rgba(11, 16, 32, 0.68));
}

.page-disclaimer .clause:target {
  border-color: rgba(245, 185, 66, 0.6);
  background: rgba(27, 20, 64, 0.6);
}

@media (min-width: 720px) {
  .page-disclaimer .clause {
    padding: 26px 30px 30px 32px;
  }
}

.page-disclaimer .clause__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-bottom: 12px;
}

.page-disclaimer .clause__num {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--amber);
  flex: none;
}

.page-disclaimer .clause__title {
  margin: 0;
  flex: 1 1 auto;
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-disclaimer .clause__anchor {
  flex: none;
  font-size: 0.76rem;
}

.page-disclaimer .clause__body {
  font-size: 0.96rem;
  line-height: 1.78;
  color: var(--text);
}

.page-disclaimer .clause__body p {
  margin: 0 0 1em;
  max-width: 64ch;
}

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

.page-disclaimer .clause__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, 0.45);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .clause__body a:hover,
.page-disclaimer .clause__body a:focus-visible {
  color: var(--text);
  border-bottom-color: var(--amber);
  outline: none;
}

.page-disclaimer .clause__list {
  list-style: none;
  margin: 0 0 1em;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-disclaimer .clause__list li {
  position: relative;
  padding-left: 20px;
  max-width: 64ch;
  color: var(--text-2);
}

.page-disclaimer .clause__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 9px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
}

/* ---------- 分段切换与表格 ---------- */

.page-disclaimer .tabs {
  display: flex;
  gap: 6px;
  margin: 20px 0 14px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: rgba(5, 7, 12, 0.72);
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-disclaimer .tab {
  flex: 1 1 auto;
  padding: 9px 16px;
  border: 0;
  border-radius: var(--pill);
  background: transparent;
  color: var(--text-2);
  font: inherit;
  font-size: 0.86rem;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-disclaimer .tab[aria-selected="true"] {
  background: linear-gradient(100deg, rgba(124, 58, 237, 0.88), rgba(34, 211, 238, 0.7));
  color: #ffffff;
}

.page-disclaimer .tab:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-disclaimer .tabpanel:focus-visible {
  outline: 2px solid rgba(34, 211, 238, 0.7);
  outline-offset: 3px;
  border-radius: var(--r-md);
}

.page-disclaimer .table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(12, 46, 44, 0.34);
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .data-table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.page-disclaimer .data-table caption {
  caption-side: top;
  text-align: left;
  padding: 14px 16px 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--text-2);
}

.page-disclaimer .data-table th,
.page-disclaimer .data-table td {
  padding: 11px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .data-table thead th {
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-2);
}

.page-disclaimer .data-table tbody tr:nth-child(even) {
  background: rgba(12, 46, 44, 0.42);
}

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

.page-disclaimer .data-table tbody th {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--amber);
  white-space: nowrap;
}

.page-disclaimer .data-table .status-dot {
  display: inline-block;
  margin-right: 7px;
  vertical-align: middle;
}

/* ---------- 相关入口 ---------- */

.page-disclaimer .usage-next {
  position: relative;
  overflow: hidden;
  margin-top: clamp(18px, 3vw, 38px);
  padding: clamp(30px, 5vw, 64px) 0;
  border-radius: var(--r-lg);
}

.page-disclaimer .usage-next .panel__head {
  max-width: 62ch;
}

.page-disclaimer .usage-next__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 26px;
}

@media (min-width: 720px) {
  .page-disclaimer .usage-next__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-disclaimer .usage-next__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-disclaimer .usage-next__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(11, 16, 32, 0.72);
  color: inherit;
  text-decoration: none;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-disclaimer .usage-next__card:hover,
.page-disclaimer .usage-next__card:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(34, 211, 238, 0.6);
  background: rgba(27, 20, 64, 0.7);
  outline: none;
}

.page-disclaimer .usage-next__card:focus-visible {
  box-shadow: 0 0 0 2px rgba(245, 185, 66, 0.7);
}

.page-disclaimer .usage-next__card-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-disclaimer .usage-next__card-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-disclaimer .usage-next__card-desc {
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--text-2);
}

/* ---------- 动效偏好 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .usage-toc__link,
  .page-disclaimer .clause,
  .page-disclaimer .tab,
  .page-disclaimer .usage-next__card,
  .page-disclaimer .clause__body a {
    transition-duration: 0.001ms;
  }

  .page-disclaimer .usage-next__card:hover,
  .page-disclaimer .usage-next__card:focus-visible {
    transform: none;
  }
}