.page-disclaimer {
  --legal-gap: 26px;
  --legal-measure: 66ch;
  display: block;
  background: var(--ink-950);
}

/* ---------- 首屏条带 ---------- */

.page-disclaimer .legal-band {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 28px 0 60px;
  background:
    radial-gradient(120% 90% at 85% 0%, rgba(76, 141, 255, 0.14), transparent 62%),
    radial-gradient(90% 80% at 0% 100%, rgba(47, 243, 208, 0.08), transparent 60%),
    var(--ink-900);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .legal-band::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(30, 58, 95, 0.42) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 58, 95, 0.42) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.55;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
}

.page-disclaimer .legal-band__art {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.page-disclaimer .legal-band__art img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: 0.2;
  filter: saturate(0.7) contrast(1.05);
}

.page-disclaimer .legal-band__inner {
  position: relative;
  z-index: 3;
}

.page-disclaimer .breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
}

.page-disclaimer .breadcrumbs a {
  color: var(--text-3);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

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

.page-disclaimer .breadcrumbs [aria-current="page"] {
  color: var(--cyan);
}

.page-disclaimer .legal-band .kicker {
  margin: 26px 0 14px;
}

.page-disclaimer h1 {
  margin: 0 0 20px;
  max-width: 18ch;
  font-size: clamp(34px, 6.4vw, 68px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--text);
}

.page-disclaimer .legal-band .lede {
  max-width: 62ch;
  margin: 0 0 28px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--text-2);
}

.page-disclaimer .legal-band__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

/* ---------- 文档主体 ---------- */

.page-disclaimer .legal-body {
  padding: 44px 0 88px;
  background: var(--ink-950);
}

.page-disclaimer .legal-toc {
  margin: 0 0 36px;
}

.page-disclaimer .legal-toc__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
}

.page-disclaimer .legal-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-disclaimer .legal-toc__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 10px 10px 14px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-2);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 200ms var(--ease), border-color 200ms var(--ease), background 200ms var(--ease);
}

.page-disclaimer .legal-toc__link:hover,
.page-disclaimer .legal-toc__link:focus-visible {
  color: var(--text);
  background: rgba(47, 243, 208, 0.06);
}

.page-disclaimer .legal-toc__link.is-in {
  color: var(--text);
  border-left-color: var(--cyan);
  background: rgba(47, 243, 208, 0.07);
}

.page-disclaimer .legal-toc__idx {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-3);
  transition: color 200ms var(--ease);
}

.page-disclaimer .legal-toc__link.is-in .legal-toc__idx,
.page-disclaimer .legal-toc__link:hover .legal-toc__idx {
  color: var(--cyan);
}

.page-disclaimer .legal-doc {
  max-width: 100%;
}

.page-disclaimer .legal-clause {
  position: relative;
  scroll-margin-top: 120px;
}

.page-disclaimer .legal-clause + .legal-clause {
  margin-top: 46px;
  padding-top: 46px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .legal-clause__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .legal-clause__idx {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-disclaimer .legal-clause__head h2 {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 26px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--text);
}

.page-disclaimer .legal-clause__body > p {
  max-width: var(--legal-measure);
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-2);
}

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

.page-disclaimer .legal-clause__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 243, 208, 0.45);
  transition: border-color 200ms var(--ease), color 200ms var(--ease);
}

.page-disclaimer .legal-clause__body a:hover,
.page-disclaimer .legal-clause__body a:focus-visible {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.page-disclaimer .clause-list {
  list-style: none;
  counter-reset: clause;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-disclaimer .clause-list:last-child {
  margin-bottom: 0;
}

.page-disclaimer .clause-list li {
  position: relative;
  max-width: var(--legal-measure);
  padding-left: 42px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-2);
}

.page-disclaimer .clause-list li::before {
  counter-increment: clause;
  content: counter(clause, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--blue);
}

.page-disclaimer .clause-list li a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 243, 208, 0.45);
}

/* ---------- 联系面板 ---------- */

.page-disclaimer .legal-contact {
  margin: 28px 0 0;
  padding: 24px 20px;
}

.page-disclaimer .legal-contact__title {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-disclaimer .legal-contact__grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}

.page-disclaimer .legal-contact .contact-item__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
}

.page-disclaimer .legal-contact .contact-item__value {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
}

.page-disclaimer .legal-contact .contact-item__copy {
  margin-top: 10px;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-2);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: color 200ms var(--ease), border-color 200ms var(--ease), background 200ms var(--ease);
}

.page-disclaimer .legal-contact .contact-item__copy:hover,
.page-disclaimer .legal-contact .contact-item__copy:focus-visible {
  color: var(--ink-950);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-disclaimer .legal-contact .contact-item__copy.is-done {
  color: var(--ink-950);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-disclaimer .legal-contact__note {
  max-width: var(--legal-measure);
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-3);
}

.page-disclaimer .legal-foot {
  margin: 34px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-3);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-disclaimer .legal-band {
    padding: 36px 0 72px;
  }

  .page-disclaimer .legal-contact {
    padding: 30px 28px;
  }

  .page-disclaimer .legal-contact__grid {
    grid-template-columns: 1fr 1fr;
    gap: 22px 24px;
  }

  .page-disclaimer .legal-contact .contact-item--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 961px) {
  .page-disclaimer .legal-band {
    padding: 48px 0 96px;
  }

  .page-disclaimer .legal-body {
    padding: 72px 0 120px;
  }

  .page-disclaimer .legal-toc {
    position: sticky;
    top: 96px;
    align-self: start;
    margin-bottom: 0;
    padding-right: 24px;
  }

  .page-disclaimer .legal-contact {
    padding: 32px 32px 30px;
  }
}

@media (max-width: 960px) {
  .page-disclaimer .legal-toc {
    position: sticky;
    top: 0;
    z-index: 6;
    margin: 0 0 32px;
    padding: 14px 0;
    background: var(--ink-950);
    border-bottom: 1px solid var(--line);
  }

  .page-disclaimer .legal-toc__label {
    margin-bottom: 10px;
  }

  .page-disclaimer .legal-toc__list {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    padding-bottom: 2px;
  }

  .page-disclaimer .legal-toc__list::-webkit-scrollbar {
    display: none;
  }

  .page-disclaimer .legal-toc__link {
    flex: none;
    align-items: center;
    padding: 8px 14px;
    border: 1px solid var(--line);
    border-left-width: 1px;
    border-radius: 999px;
    white-space: nowrap;
    font-size: 13px;
  }

  .page-disclaimer .legal-toc__link.is-in {
    border-color: var(--cyan);
    background: rgba(47, 243, 208, 0.1);
  }

  .page-disclaimer .legal-clause {
    scroll-margin-top: 96px;
  }
}

@media (max-width: 480px) {
  .page-disclaimer h1 {
    max-width: 100%;
  }

  .page-disclaimer .legal-clause__head {
    gap: 10px;
  }

  .page-disclaimer .clause-list li {
    padding-left: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .legal-toc__link,
  .page-disclaimer .legal-contact .contact-item__copy,
  .page-disclaimer .breadcrumbs a,
  .page-disclaimer .legal-clause__body a {
    transition: none;
  }
}

@media print {
  .page-disclaimer .legal-band__art::after,
  .page-disclaimer .legal-toc,
  .page-disclaimer .legal-contact .contact-item__copy {
    display: none;
  }

  .page-disclaimer,
  .page-disclaimer .legal-band,
  .page-disclaimer .legal-body {
    background: #fff;
    color: #111;
  }
}