.page-disclaimer {
  --usage-ink-soft: #2A3444;
  --usage-hair: rgba(16, 24, 32, 0.13);
  --usage-accent-1: #C24A05;
  --usage-accent-2: #0F7378;
  --usage-accent-3: #4B3B8F;
  --usage-accent-4: #12805C;
  --usage-accent-5: #7A1F35;
  background: var(--c-paper);
  color: var(--c-text);
}

.page-disclaimer .breadcrumb {
  padding-top: var(--sp-5);
}

.page-disclaimer .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-1);
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-num);
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
  color: var(--muted-light);
}

.page-disclaimer .breadcrumb-list li + li::before {
  content: "/";
  margin-right: var(--sp-1);
  color: var(--c-line);
}

.page-disclaimer .breadcrumb-list a {
  color: var(--c-ink-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s ease;
}

.page-disclaimer .breadcrumb-list a:hover,
.page-disclaimer .breadcrumb-list a:focus-visible {
  border-bottom-color: var(--c-orange);
}

/* ---------- 页首 ---------- */
.page-disclaimer .usage-head {
  margin-top: var(--sp-4);
  padding: var(--sp-6) 0 var(--sp-5);
  border-top: 1px solid var(--usage-hair);
}

.page-disclaimer .usage-kicker {
  margin: 0 0 var(--sp-2);
  font-family: var(--font-num);
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  color: var(--c-orange);
}

.page-disclaimer h1 {
  margin: 0 0 var(--sp-4);
  max-width: 20em;
  font-family: var(--font-head);
  font-size: var(--fs-3xl);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--c-ink);
}

.page-disclaimer .usage-lede {
  margin: 0;
  max-width: 34em;
  font-size: var(--fs-md);
  line-height: 1.78;
  color: var(--muted-light);
}

.page-disclaimer .usage-figure {
  position: relative;
  margin: var(--sp-5) 0 0;
  overflow: hidden;
  border: 1px solid var(--usage-hair);
  background: #ffffff;
}

.page-disclaimer .usage-figure::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 96px;
  height: 4px;
  background: linear-gradient(90deg, var(--c-orange), var(--c-orange-2));
}

.page-disclaimer .usage-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1400 / 600;
  object-fit: cover;
}

/* ---------- 双栏正文 ---------- */
.page-disclaimer .usage-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-6);
  padding: var(--sp-7) 0 var(--sp-7);
}

.page-disclaimer .usage-index {
  border-top: 2px solid var(--c-ink);
  padding-top: var(--sp-3);
}

.page-disclaimer .usage-index-title {
  margin: 0 0 var(--sp-3);
  font-family: var(--font-num);
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  color: var(--muted-light);
}

.page-disclaimer .usage-index-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
}

.page-disclaimer .usage-index-list a {
  display: flex;
  align-items: baseline;
  gap: var(--sp-2);
  padding: 9px var(--sp-2);
  border-left: 2px solid transparent;
  border-radius: var(--radius);
  font-size: var(--fs-sm);
  line-height: 1.5;
  color: var(--c-ink-2);
  text-decoration: none;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.page-disclaimer .usage-index-list a .num {
  font-size: var(--fs-xs);
  color: var(--muted-light);
}

.page-disclaimer .usage-index-list a:hover,
.page-disclaimer .usage-index-list a:focus-visible {
  background: #ffffff;
  border-left-color: var(--c-orange);
  color: var(--c-ink);
}

.page-disclaimer .usage-clauses {
  display: grid;
}

.page-disclaimer .clause {
  padding: var(--sp-5) 0 var(--sp-6);
  border-top: 1px solid var(--usage-hair);
  scroll-margin-top: 96px;
}

.page-disclaimer .clause-head {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.page-disclaimer .clause-num {
  flex: none;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--usage-hair);
  border-radius: 50%;
  background: #ffffff;
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.page-disclaimer .clause-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: var(--fs-lg);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-disclaimer #clause-01 .clause-num {
  color: var(--usage-accent-1);
  border-color: rgba(194, 74, 5, 0.3);
  background: rgba(255, 106, 26, 0.08);
}

.page-disclaimer #clause-02 .clause-num {
  color: var(--usage-accent-2);
  border-color: rgba(15, 115, 120, 0.32);
  background: rgba(63, 208, 212, 0.1);
}

.page-disclaimer #clause-03 .clause-num {
  color: var(--usage-accent-3);
  border-color: rgba(75, 59, 143, 0.3);
  background: rgba(75, 59, 143, 0.07);
}

.page-disclaimer #clause-04 .clause-num {
  color: var(--usage-accent-4);
  border-color: rgba(18, 128, 92, 0.3);
  background: rgba(35, 192, 138, 0.1);
}

.page-disclaimer #clause-05 .clause-num {
  color: var(--usage-accent-5);
  border-color: rgba(122, 31, 53, 0.3);
  background: rgba(122, 31, 53, 0.07);
}

.page-disclaimer .clause-body {
  max-width: 46em;
}

.page-disclaimer .clause-body > p {
  margin: 0 0 var(--sp-3);
  font-size: 15px;
  line-height: 1.8;
  color: var(--usage-ink-soft);
}

.page-disclaimer .clause-body a {
  color: #0E5C8A;
  text-decoration: underline;
  text-decoration-color: rgba(14, 92, 138, 0.35);
  text-underline-offset: 3px;
}

.page-disclaimer .clause-body a:hover,
.page-disclaimer .clause-body a:focus-visible {
  text-decoration-color: currentColor;
}

.page-disclaimer .clause-list {
  margin: 0 0 var(--sp-3);
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--sp-2);
}

.page-disclaimer .clause-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--usage-ink-soft);
}

.page-disclaimer .clause-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.78em;
  width: 6px;
  height: 6px;
  border: 1px solid currentColor;
  opacity: 0.45;
  transform: rotate(45deg);
}

.page-disclaimer .clause-note {
  margin: var(--sp-3) 0 0;
  padding: var(--sp-3) var(--sp-4);
  border-left: 3px solid var(--c-orange);
  background: rgba(255, 106, 26, 0.07);
  font-size: var(--fs-sm);
  line-height: 1.72;
  color: var(--usage-ink-soft);
}

.page-disclaimer .clause-note a {
  color: #A8410A;
}

.page-disclaimer .mail {
  font-family: var(--font-num);
  font-size: 0.94em;
  font-weight: 600;
  color: var(--c-ink);
  background: rgba(11, 27, 51, 0.06);
  padding: 2px 6px;
  border-radius: var(--radius);
  word-break: break-all;
}

/* ---------- 尾部收口 ---------- */
.page-disclaimer .usage-tail {
  border-top: 3px solid var(--c-orange);
  background: var(--c-ink);
  color: var(--c-paper);
}

.page-disclaimer .usage-tail-inner {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  padding: var(--sp-6) 0;
}

.page-disclaimer .usage-tail-text {
  margin: 0;
  max-width: 40em;
  font-size: var(--fs-sm);
  line-height: 1.72;
  color: var(--muted-dark);
}

.page-disclaimer .usage-tail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.page-disclaimer .usage-tail .btn-ghost {
  color: var(--c-paper);
  border-color: rgba(245, 247, 250, 0.4);
}

.page-disclaimer .usage-tail .btn-ghost:hover,
.page-disclaimer .usage-tail .btn-ghost:focus-visible {
  color: var(--c-orange);
  border-color: var(--c-orange);
}

/* ---------- 响应式 ---------- */
@media (max-width: 599px) {
  .page-disclaimer .usage-index-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-disclaimer .clause-head {
    align-items: flex-start;
    gap: var(--sp-2);
  }

  .page-disclaimer .clause-num {
    width: 34px;
    height: 34px;
    font-size: var(--fs-xs);
  }
}

@media (min-width: 900px) {
  .page-disclaimer .usage-body {
    grid-template-columns: 212px minmax(0, 1fr);
    gap: var(--sp-7);
    align-items: start;
  }

  .page-disclaimer .usage-index {
    position: sticky;
    top: 92px;
  }

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

  .page-disclaimer .clause {
    padding: var(--sp-6) 0 var(--sp-7);
  }

  .page-disclaimer .usage-tail-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-6);
    padding: var(--sp-6) 0;
  }

  .page-disclaimer .usage-tail-actions {
    flex: none;
  }
}