.page-disclaimer {
  --usage-line: rgba(36, 26, 19, .18);
  --usage-line-soft: rgba(36, 26, 19, .09);
  --usage-dark-line: rgba(237, 229, 210, .18);
  background: var(--paper);
  color: var(--brown-ink);
  font-family: var(--font-body);
}

.page-disclaimer .breadcrumb {
  position: relative;
  z-index: 2;
  font-size: 13px;
  letter-spacing: .04em;
}

.page-disclaimer .usage-breadcrumb .breadcrumb-link,
.page-disclaimer .usage-breadcrumb .breadcrumb-sep,
.page-disclaimer .usage-breadcrumb span[aria-current] {
  color: rgba(237, 229, 210, .68);
  text-decoration: none;
}

.page-disclaimer .usage-breadcrumb .breadcrumb-link:hover {
  color: var(--cyan);
}

.page-disclaimer .usage-breadcrumb span[aria-current] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */

.page-disclaimer .usage-hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 56px;
  background:
    radial-gradient(120% 95% at 84% 2%, rgba(100, 240, 196, .18), transparent 56%),
    linear-gradient(158deg, var(--ink-green) 0%, var(--grass-deep) 100%);
}

.page-disclaimer .usage-hero::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 8px;
  background: repeating-linear-gradient(90deg, rgba(100, 240, 196, .55) 0 1px, transparent 1px 26px);
  opacity: .45;
}

.page-disclaimer .usage-hero::after {
  content: "";
  position: absolute;
  right: -10%;
  bottom: -34%;
  width: 48%;
  height: 96%;
  transform: rotate(-13deg);
  background: linear-gradient(180deg, rgba(31, 92, 69, .5), transparent 72%);
  pointer-events: none;
}

.page-disclaimer .usage-hero > .site-shell {
  position: relative;
  z-index: 1;
}

.page-disclaimer .usage-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-top: 40px;
  align-items: center;
}

.page-disclaimer .usage-hero .annotation {
  color: var(--cyan);
  letter-spacing: .22em;
  margin: 0;
}

.page-disclaimer .usage-hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.6vw, 58px);
  line-height: 1.08;
  letter-spacing: -.03em;
  color: var(--paper);
  margin: 16px 0 0;
}

.page-disclaimer .usage-lead {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(237, 229, 210, .8);
  margin: 20px 0 0;
  max-width: 62ch;
}

.page-disclaimer .usage-hero-meta {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
}

.page-disclaimer .usage-hero-meta li {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding-left: 12px;
  border-left: 2px solid var(--grass-mid);
  font-size: 13px;
  color: rgba(237, 229, 210, .74);
}

.page-disclaimer .usage-hero-meta .data-num {
  font-family: var(--font-data);
  font-size: 22px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -.02em;
}

.page-disclaimer .usage-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.page-disclaimer .usage-hero-figure {
  margin: 0;
  border: 1px solid rgba(100, 240, 196, .26);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-panel);
}

.page-disclaimer .usage-hero-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 正文骨架 ---------- */

.page-disclaimer .usage-body {
  padding: 48px 0 64px;
}

.page-disclaimer .usage-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}

.page-disclaimer .usage-toc {
  background: var(--paper-light);
  border-left: 3px solid var(--score-orange);
  border-radius: var(--radius);
  padding: 18px 16px;
}

.page-disclaimer .toc-title {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--grass-mid);
  margin: 0 0 12px;
}

.page-disclaimer .toc-link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 4px;
  border-bottom: 1px dashed var(--usage-line-soft);
  color: var(--brown-ink);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color .18s var(--ease), padding-left .18s var(--ease);
}

.page-disclaimer .toc-link:last-child {
  border-bottom: 0;
}

.page-disclaimer .toc-link:hover,
.page-disclaimer .toc-link:focus-visible {
  color: var(--score-orange);
  padding-left: 10px;
}

.page-disclaimer .toc-num {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--score-orange);
}

.page-disclaimer .usage-aside-note {
  margin-top: 20px;
  padding: 16px 18px;
  background: var(--grass-deep);
  border-radius: var(--radius);
  color: rgba(237, 229, 210, .84);
  font-size: 13px;
  line-height: 1.8;
}

.page-disclaimer .usage-aside-note-title {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--amber);
  margin: 0 0 8px;
}

.page-disclaimer .usage-aside-note p {
  margin: 0;
}

/* ---------- 条款 ---------- */

.page-disclaimer .clause {
  border-top: 1px solid var(--usage-line);
  padding: 34px 0 10px;
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-disclaimer .clause:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .clause-head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: 18px;
}

.page-disclaimer .clause-num {
  font-family: var(--font-data);
  font-size: clamp(30px, 5vw, 46px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--grass-mid);
}

.page-disclaimer .clause-num::after {
  content: "¶";
  font-size: 13px;
  color: var(--score-orange);
  margin-left: 6px;
  opacity: 0;
  transition: opacity .2s var(--ease);
}

.page-disclaimer .clause-head:hover .clause-num::after {
  opacity: 1;
}

.page-disclaimer .clause-title {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.8vw, 28px);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.25;
  color: var(--brown-ink);
  margin: 0;
}

.page-disclaimer .clause-body p {
  font-size: 16px;
  line-height: 1.85;
  color: rgba(36, 26, 19, .86);
  margin: 0 0 16px;
}

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

.page-disclaimer .clause-body a {
  color: var(--grass-mid);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-disclaimer .clause-body a:hover {
  color: var(--score-orange);
}

.page-disclaimer .usage-sample {
  font-family: var(--font-data);
  font-size: 13px;
  line-height: 2;
  color: var(--paper);
  background: var(--ink-green);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin: 0 0 18px;
  overflow-x: auto;
}

/* ---------- 引用与授权对照 ---------- */

.page-disclaimer .usage-split {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--ink-green);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 4px 0 20px;
}

.page-disclaimer .usage-split-col {
  padding: 20px 22px;
}

.page-disclaimer .usage-split-col + .usage-split-col {
  border-top: 1px solid var(--usage-dark-line);
}

.page-disclaimer .usage-split-title {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .18em;
  margin: 0 0 12px;
}

.page-disclaimer .usage-split-col--free .usage-split-title {
  color: var(--cyan);
}

.page-disclaimer .usage-split-col--paid .usage-split-title {
  color: var(--score-orange);
}

.page-disclaimer .usage-split-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .usage-split-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.9;
  color: rgba(237, 229, 210, .86);
}

.page-disclaimer .usage-split-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .85em;
  width: 7px;
  height: 1px;
  background: var(--grass-mid);
}

.page-disclaimer .usage-split-col--paid .usage-split-list li::before {
  background: var(--amber);
}

/* ---------- 联系块 ---------- */

.page-disclaimer .usage-contact {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 18px 20px;
  background: var(--paper-light);
  border: 1px solid var(--usage-line);
  border-left: 3px solid var(--grass-mid);
  border-radius: var(--radius);
}

.page-disclaimer .usage-contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.7;
  color: var(--brown-ink);
}

.page-disclaimer .usage-contact-label {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--grass-mid);
  min-width: 76px;
}

.page-disclaimer .usage-tail {
  display: flex;
  justify-content: flex-end;
  padding-top: 40px;
}

.page-disclaimer .usage-tail .to-top {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .16em;
}

/* ---------- 响应式 ---------- */

@media (max-width: 719px) {
  .page-disclaimer .usage-toc {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 12px;
    border-left-width: 2px;
  }

  .page-disclaimer .usage-toc .toc-title {
    display: none;
  }

  .page-disclaimer .toc-link {
    flex: 0 0 auto;
    border-bottom: 0;
    border: 1px solid var(--usage-line);
    border-radius: 999px;
    padding: 7px 14px;
    white-space: nowrap;
    font-size: 13px;
  }

  .page-disclaimer .toc-link:hover {
    padding-left: 14px;
  }

  .page-disclaimer .usage-aside-note {
    margin-top: 14px;
  }

  .page-disclaimer .usage-hero-meta {
    gap: 12px 18px;
  }
}

@media (min-width: 720px) {
  .page-disclaimer .usage-hero {
    padding: 104px 0 76px;
  }

  .page-disclaimer .usage-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 48px;
    margin-top: 48px;
  }

  .page-disclaimer .usage-split {
    grid-template-columns: 1fr 1fr;
  }

  .page-disclaimer .usage-split-col + .usage-split-col {
    border-top: 0;
    border-left: 1px solid var(--usage-dark-line);
  }
}

@media (min-width: 960px) {
  .page-disclaimer .usage-body {
    padding: 64px 0 88px;
  }

  .page-disclaimer .usage-grid {
    grid-template-columns: minmax(0, 292px) minmax(0, 1fr);
    gap: 64px;
  }

  .page-disclaimer .usage-toc {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-disclaimer .usage-clauses {
    max-width: 100%;
  }
}

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