.page-disclaimer {
  --usage-card-top: rgba(11, 27, 47, 0.96);
  --usage-card-bot: rgba(6, 17, 31, 0.96);
  --usage-grid-line: rgba(23, 50, 77, 0.42);
  background: var(--ink-900);
  color: var(--text);
  overflow-x: hidden;
}

.page-disclaimer .usage-crumbs {
  padding: calc(var(--rail-h) + 18px) 0 6px;
  background: var(--ink-900);
}

.page-disclaimer .usage-crumbs .crumbs__link {
  color: var(--muted);
  text-decoration: none;
}

.page-disclaimer .usage-crumbs .crumbs__link:hover,
.page-disclaimer .usage-crumbs .crumbs__link:focus-visible {
  color: var(--cyan);
}

.page-disclaimer .usage-crumbs .crumbs__sep {
  color: var(--line);
}

.page-disclaimer .usage-crumbs .crumbs__current {
  color: var(--text);
}

/* 首屏 */
.page-disclaimer .usage-hero {
  position: relative;
  padding: clamp(24px, 5vw, 56px) 0 clamp(32px, 5vw, 64px);
  background:
    radial-gradient(120% 90% at 8% 0%, rgba(138, 92, 255, 0.20), transparent 62%),
    radial-gradient(90% 80% at 92% 6%, rgba(53, 230, 255, 0.13), transparent 64%),
    var(--ink-900);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .usage-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--usage-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--usage-grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(90% 80% at 40% 0%, #000 10%, transparent 88%);
  mask-image: radial-gradient(90% 80% at 40% 0%, #000 10%, transparent 88%);
  pointer-events: none;
}

.page-disclaimer .usage-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-disclaimer .usage-hero__copy .eyebrow {
  color: var(--cyan);
  letter-spacing: 0.16em;
  margin: 0 0 14px;
}

.page-disclaimer .usage-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(28px, 6.4vw, 54px);
  line-height: 1.18;
  letter-spacing: 0.05em;
  font-family: var(--font-display);
  color: var(--text);
}

.page-disclaimer .usage-hero .lede {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(234, 246, 255, 0.84);
}

.page-disclaimer .usage-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin-bottom: 22px;
}

.page-disclaimer .usage-hero__meta .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(11, 27, 47, 0.7);
}

.page-disclaimer .usage-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-disclaimer .usage-map {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-800);
  box-shadow: var(--shadow-1);
}

.page-disclaimer .usage-map img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-disclaimer .usage-map figcaption {
  padding: 12px 16px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: rgba(6, 17, 31, 0.6);
}

/* 条款区 */
.page-disclaimer .usage-body {
  position: relative;
  padding: clamp(28px, 5vw, 64px) 0 clamp(44px, 7vw, 88px);
}

.page-disclaimer .usage-body::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--usage-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--usage-grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.45;
  pointer-events: none;
}

.page-disclaimer .usage-layout {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(20px, 3.5vw, 44px);
}

.page-disclaimer .usage-side__title {
  margin: 0 0 12px;
  color: var(--violet);
  letter-spacing: 0.16em;
}

.page-disclaimer .usage-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 10px;
}

.page-disclaimer .usage-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 10px;
  font-size: 13px;
  line-height: 1.5;
  color: rgba(234, 246, 255, 0.78);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 8px;
  background: rgba(11, 27, 47, 0.6);
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-disclaimer .usage-index__link .mono {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--cyan);
  opacity: 0.85;
}

.page-disclaimer .usage-index__link:hover,
.page-disclaimer .usage-index__link:focus-visible {
  color: var(--text);
  border-color: var(--cyan);
  background: rgba(53, 230, 255, 0.08);
}

.page-disclaimer .usage-index__note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-disclaimer .usage-index__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 255, 0.4);
}

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

.page-disclaimer .usage-clauses {
  display: grid;
  gap: clamp(14px, 2.2vw, 22px);
  min-width: 0;
}

.page-disclaimer .clause-card {
  position: relative;
  padding: clamp(18px, 3vw, 30px) clamp(16px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--usage-card-top), var(--usage-card-bot));
  box-shadow: var(--shadow-1);
  scroll-margin-top: calc(var(--rail-h) + 96px);
}

.page-disclaimer .clause-card::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 22px;
  bottom: 22px;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--cyan), var(--violet));
  opacity: 0.55;
}

.page-disclaimer .clause-card__head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.page-disclaimer .clause-card__num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 4.4vw, 30px);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--cyan);
  opacity: 0.8;
  padding-top: 3px;
}

.page-disclaimer .clause-card__titles {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  min-width: 0;
}

.page-disclaimer .clause-card__titles h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 3.2vw, 24px);
  line-height: 1.35;
  letter-spacing: 0.05em;
  color: var(--text);
}

.page-disclaimer .clause-card__body p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(234, 246, 255, 0.86);
}

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

.page-disclaimer .clause-card__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 255, 0.38);
}

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

.page-disclaimer .clause-points {
  list-style: none;
  margin: 14px 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-disclaimer .clause-points li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(145, 169, 198, 0.95);
}

.page-disclaimer .clause-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  opacity: 0.75;
  transform: rotate(45deg);
}

/* 入口路径示意 */
.page-disclaimer .link-map {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 16px 0;
  padding: 14px 16px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: rgba(6, 17, 31, 0.55);
}

.page-disclaimer .link-map__node {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: var(--ink-800);
}

.page-disclaimer .link-map__node--cyan {
  color: var(--cyan);
  border-color: rgba(53, 230, 255, 0.5);
}

.page-disclaimer .link-map__node--gold {
  color: var(--gold);
  border-color: rgba(255, 181, 71, 0.45);
}

.page-disclaimer .link-map__dash {
  flex: 0 0 24px;
  height: 1px;
  background: linear-gradient(90deg, rgba(53, 230, 255, 0.7), rgba(138, 92, 255, 0.5));
}

/* 手风琴微调 */
.page-disclaimer .accordion {
  margin-top: 16px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .accordion__trigger {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 14.5px;
  text-align: left;
  color: var(--text);
}

.page-disclaimer .accordion__inner p {
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(145, 169, 198, 0.95);
  margin: 0;
}

/* 联系信息 */
.page-disclaimer .contact-list {
  list-style: none;
  margin: 14px 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .contact-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(6, 17, 31, 0.55);
}

.page-disclaimer .contact-item__key {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-disclaimer .contact-item__val {
  font-size: 14px;
  color: var(--text);
  word-break: break-all;
}

.page-disclaimer .contact-item__val.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  color: var(--cyan);
}

/* 响应式 */
@media (min-width: 640px) {
  .page-disclaimer .usage-index__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .contact-item {
    justify-content: flex-start;
    gap: 10px 18px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .usage-hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: center;
  }

  .page-disclaimer .usage-layout {
    grid-template-columns: 244px minmax(0, 1fr);
    align-items: start;
  }

  .page-disclaimer .usage-side {
    position: sticky;
    top: calc(var(--rail-h) + 88px);
    padding-right: 8px;
    border-right: 1px solid var(--line);
  }

  .page-disclaimer .usage-index__list {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .page-disclaimer .usage-index__link {
    border-color: transparent;
    background: transparent;
  }

  .page-disclaimer .usage-index__link:hover,
  .page-disclaimer .usage-index__link:focus-visible {
    background: rgba(53, 230, 255, 0.08);
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .usage-layout {
    grid-template-columns: 272px minmax(0, 1fr);
    gap: 52px;
  }
}
<<<END>>>