.page-disclaimer {
  --legal-rule: 3px solid var(--iron);
  --legal-pad: clamp(16px, 4vw, 40px);
  position: relative;
  overflow-x: clip;
  color: var(--mist);
  background:
    radial-gradient(900px 480px at 88% -6%, rgba(44, 224, 194, .10), transparent 62%),
    radial-gradient(720px 420px at 2% 14%, rgba(18, 160, 106, .12), transparent 60%),
    var(--night);
}

.page-disclaimer .legal-crumb {
  padding-top: clamp(18px, 3vw, 28px);
}

.page-disclaimer .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--fog);
}

.page-disclaimer .breadcrumb a {
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .breadcrumb a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-disclaimer .breadcrumb__sep {
  color: var(--iron);
}

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

/* ---------- 首屏 ---------- */

.page-disclaimer .legal-hero {
  padding: clamp(22px, 4vw, 46px) 0 clamp(26px, 4vw, 44px);
}

.page-disclaimer .legal-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 34px);
}

.page-disclaimer .legal-hero h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.4vw, 74px);
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--mist);
}

.page-disclaimer .legal-hero__lede {
  max-width: 36em;
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--fog);
}

.page-disclaimer .legal-hero__note {
  align-self: end;
  padding: 4px 0 4px 16px;
  border-left: 3px solid var(--jade);
}

.page-disclaimer .legal-hero__note p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--fs-annot);
  line-height: 1.72;
  color: var(--fog);
}

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

/* ---------- 横幅 ---------- */

.page-disclaimer .legal-banner {
  position: relative;
  margin: 0;
  border-top: var(--legal-rule);
  border-bottom: var(--legal-rule);
}

.page-disclaimer .legal-banner img {
  display: block;
  width: 100%;
  height: clamp(170px, 28vw, 320px);
  object-fit: cover;
  object-position: center 42%;
  filter: saturate(.92) contrast(1.06);
}

.page-disclaimer .legal-banner::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--jade) 0%, var(--cyan) 52%, var(--amber) 100%);
}

/* ---------- 横向目录 ---------- */

.page-disclaimer .legal-toc {
  background: var(--slate);
  border-bottom: var(--legal-rule);
  border-top: var(--legal-rule);
}

.page-disclaimer .legal-toc__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.page-disclaimer .legal-toc__label {
  flex: 0 0 auto;
  padding-right: 14px;
  border-right: 1px solid var(--iron);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--cyan);
}

.page-disclaimer .legal-toc__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 2px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .legal-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  padding: 8px 13px;
  white-space: nowrap;
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid var(--iron);
  background: transparent;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .legal-toc__link .u-mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .legal-toc__link:hover,
.page-disclaimer .legal-toc__link:focus-visible,
.page-disclaimer .legal-toc__link[data-active] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
  outline: none;
}

.page-disclaimer .legal-toc__link:hover .u-mono,
.page-disclaimer .legal-toc__link[data-active] .u-mono {
  color: var(--ink);
}

/* ---------- 条款正文 ---------- */

.page-disclaimer .legal-body {
  padding-top: clamp(32px, 6vw, 76px);
  padding-bottom: clamp(56px, 9vw, 110px);
}

.page-disclaimer .legal-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: clamp(24px, 4vw, 42px) 0;
  border-top: var(--legal-rule);
}

.page-disclaimer .legal-block:last-of-type {
  border-bottom: var(--legal-rule);
}

.page-disclaimer .legal-block__num {
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.4vw, 27px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--jade);
}

.page-disclaimer .legal-block h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.1vw, 33px);
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-disclaimer .legal-lead {
  position: relative;
  margin: 0 0 16px;
  padding: 6px 0 6px 17px;
  border-left: 4px solid var(--amber);
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 折叠细节 ---------- */

.page-disclaimer .legal-more {
  border-top: 1px dashed var(--iron);
}

.page-disclaimer .legal-more > summary {
  display: flex;
  align-items: center;
  gap: 11px;
  min-height: 44px;
  padding: 8px 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .10em;
  color: var(--cyan);
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .legal-more > summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .legal-more > summary:hover {
  color: var(--amber);
}

.page-disclaimer .legal-more > summary::before {
  content: "+";
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 21px;
  height: 21px;
  border: 2px solid currentColor;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
}

.page-disclaimer .legal-more[open] > summary::before {
  content: "−";
}

.page-disclaimer .legal-list {
  display: grid;
  gap: 13px;
  margin: 8px 0 4px;
  padding: 0;
  list-style: none;
}

.page-disclaimer .legal-list li {
  position: relative;
  max-width: 48em;
  padding-left: 20px;
  font-size: var(--fs-body);
  line-height: 1.76;
  color: var(--fog);
}

.page-disclaimer .legal-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 10px;
  height: 3px;
  background: var(--jade);
}

.page-disclaimer .legal-list a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 2px solid var(--jade);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .legal-list a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-disclaimer .legal-list .u-mono {
  font-family: var(--font-mono);
  font-size: .95em;
  color: var(--cyan);
  word-break: break-all;
}

/* ---------- 返回顶部 ---------- */

.page-disclaimer .back-to-top {
  font-family: var(--font-mono);
}

/* ---------- 响应式 ---------- */

@media (min-width: 860px) {
  .page-disclaimer .legal-block {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: clamp(20px, 4vw, 52px);
  }

  .page-disclaimer .legal-block__num {
    padding-top: 6px;
  }
}

@media (min-width: 980px) {
  .page-disclaimer .legal-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    align-items: end;
    gap: clamp(28px, 5vw, 72px);
  }

  .page-disclaimer .legal-hero__note {
    padding-bottom: 8px;
  }
}

@media (max-width: 640px) {
  .page-disclaimer .legal-toc__label {
    display: none;
  }

  .page-disclaimer .legal-toc__inner {
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .page-disclaimer .legal-lead {
    padding-left: 13px;
    border-left-width: 3px;
  }

  .page-disclaimer .legal-list li {
    padding-left: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .legal-toc__link,
  .page-disclaimer .legal-more > summary,
  .page-disclaimer .legal-list a,
  .page-disclaimer .breadcrumb a {
    transition: none;
  }
}