/* ============ 使用条款页 · page-disclaimer ============ */
.page-disclaimer {
  position: relative;
  padding-bottom: clamp(3.5rem, 8vw, 6rem);
}

/* ---------- 页头 ---------- */
.page-disclaimer .terms-hero {
  position: relative;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding: clamp(1.75rem, 5vw, 3.25rem) 0 clamp(2rem, 5vw, 3rem);
  border-bottom: var(--line);
}

.page-disclaimer .terms-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: clamp(72px, 16vw, 200px);
  height: 2px;
  background: linear-gradient(90deg, var(--orange-500), rgba(255, 107, 26, 0));
}

.page-disclaimer .terms-hero__text {
  min-width: 0;
}

.page-disclaimer .terms-hero h1 {
  margin: 0.4rem 0 1rem;
  font-size: clamp(2rem, 6.2vw, 3.5rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.022em;
  color: var(--ice-100);
}

.page-disclaimer .terms-hero__lead {
  margin: 0;
  max-width: 56ch;
  font-size: clamp(0.9375rem, 1.6vw, 1.0625rem);
  line-height: 1.8;
  color: rgba(232, 241, 255, 0.84);
}

.page-disclaimer .terms-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  margin-top: 1.5rem;
}

.page-disclaimer .terms-hero__meta span {
  display: inline-block;
  padding: 0.35rem 0.7rem;
  border: var(--line);
  border-radius: var(--radius);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--mist-300);
  background: rgba(16, 31, 58, 0.55);
}

.page-disclaimer .terms-hero__media {
  position: relative;
  margin: 0;
  border: var(--line);
  background: linear-gradient(135deg, var(--navy-800), var(--navy-950) 72%);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 2.5rem), 0 100%);
}

.page-disclaimer .terms-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.7;
  filter: saturate(0.75) contrast(1.08);
}

.page-disclaimer .terms-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(46, 74, 122, 0.4) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(0deg, rgba(46, 74, 122, 0.3) 0 1px, transparent 1px 48px);
}

/* ---------- 布局：条款索引 + 正文 ---------- */
.page-disclaimer .terms-layout {
  display: grid;
  gap: clamp(2rem, 5vw, 3rem);
  margin-top: clamp(2.25rem, 6vw, 4rem);
}

.page-disclaimer .terms-toc {
  padding-top: 0.875rem;
  border-top: var(--line);
}

.page-disclaimer .terms-toc__label {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mist-300);
}

.page-disclaimer .terms-toc__list {
  display: flex;
  gap: 0.5rem;
  margin: 0;
  padding: 0 0 0.375rem;
  list-style: none;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
}

.page-disclaimer .terms-toc__item {
  flex: 0 0 auto;
}

.page-disclaimer .terms-toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border: var(--line);
  border-radius: var(--radius);
  background: rgba(16, 31, 58, 0.5);
  color: rgba(232, 241, 255, 0.86);
  font-size: 0.875rem;
  text-decoration: none;
  white-space: nowrap;
  transition:
    border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease),
    color var(--dur) var(--ease);
}

.page-disclaimer .terms-toc__link:hover,
.page-disclaimer .terms-toc__link:focus-visible {
  border-color: var(--orange-500);
  background: rgba(255, 107, 26, 0.1);
  color: var(--amber-300);
}

.page-disclaimer .terms-toc__link:focus-visible {
  outline: 2px solid var(--orange-500);
  outline-offset: 2px;
}

.page-disclaimer .terms-toc__num {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--orange-500);
}

/* ---------- 条款正文 ---------- */
.page-disclaimer .terms-body {
  display: grid;
  gap: 0;
  min-width: 0;
}

.page-disclaimer .terms-clause {
  padding-bottom: clamp(1.75rem, 4vw, 2.5rem);
  border-bottom: var(--line);
  scroll-margin-top: 5.5rem;
}

.page-disclaimer .terms-clause + .terms-clause {
  padding-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-disclaimer .terms-clause:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-disclaimer .terms-clause__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.875rem;
  margin-bottom: 1rem;
}

.page-disclaimer .terms-clause__num {
  font-size: clamp(1.5rem, 4.2vw, 2.25rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--orange-500);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .terms-clause__title {
  flex: 1 1 13rem;
  margin: 0;
  font-size: clamp(1.3rem, 3.2vw, 1.75rem);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ice-100);
}

.page-disclaimer .terms-clause__copy {
  margin-left: auto;
  appearance: none;
  padding: 0.35rem 0.65rem;
  border: var(--line);
  border-radius: var(--radius);
  background: rgba(16, 31, 58, 0.5);
  color: var(--mist-300);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition:
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-disclaimer .terms-clause__copy:hover {
  color: var(--amber-300);
  border-color: var(--orange-500);
  background: rgba(255, 107, 26, 0.12);
}

.page-disclaimer .terms-clause__copy:focus-visible {
  outline: 2px solid var(--orange-500);
  outline-offset: 2px;
}

.page-disclaimer .terms-clause p {
  margin: 0 0 1rem;
  max-width: 58ch;
  font-size: 0.9875rem;
  line-height: 1.8;
  color: rgba(232, 241, 255, 0.86);
}

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

.page-disclaimer .terms-list {
  display: grid;
  gap: 0.75rem;
  margin: 0 0 1.25rem;
  padding: 0;
  max-width: 62ch;
  list-style: none;
}

.page-disclaimer .terms-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.9875rem;
  line-height: 1.78;
  color: rgba(232, 241, 255, 0.82);
}

.page-disclaimer .terms-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 0.6rem;
  height: 1px;
  background: var(--teal-400);
}

.page-disclaimer .terms-list strong {
  color: var(--ice-100);
  font-weight: 600;
}

.page-disclaimer .terms-note {
  margin: 1.25rem 0 0;
  padding: 0.9rem 1rem 0.9rem 1.1rem;
  border-left: 3px solid var(--orange-500);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: linear-gradient(90deg, rgba(255, 107, 26, 0.12), rgba(255, 107, 26, 0) 78%);
  font-size: 0.9375rem;
  line-height: 1.78;
  color: rgba(232, 241, 255, 0.9);
  max-width: 60ch;
}

.page-disclaimer .terms-note strong {
  color: var(--amber-300);
  font-weight: 600;
}

/* ---------- 后续入口 ---------- */
.page-disclaimer .terms-next {
  margin-top: clamp(3rem, 7vw, 5rem);
  padding-top: clamp(1.75rem, 4vw, 2.5rem);
  border-top: var(--line);
}

.page-disclaimer .terms-next__title {
  margin: 0 0 1.25rem;
  font-size: clamp(1.2rem, 2.8vw, 1.5rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ice-100);
}

.page-disclaimer .terms-next__grid {
  display: grid;
  gap: 1rem;
}

.page-disclaimer .terms-card {
  display: grid;
  gap: 0.35rem;
  padding: 1.25rem 1.375rem;
  border: var(--line);
  border-left: 3px solid var(--navy-500);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(16, 31, 58, 0.88), rgba(10, 20, 40, 0.62));
  text-decoration: none;
  transition:
    border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-disclaimer .terms-card:hover,
.page-disclaimer .terms-card:focus-visible {
  border-left-color: var(--orange-500);
  background: linear-gradient(160deg, rgba(26, 47, 82, 0.92), rgba(10, 20, 40, 0.72));
}

.page-disclaimer .terms-card:focus-visible {
  outline: 2px solid var(--orange-500);
  outline-offset: 2px;
}

.page-disclaimer .terms-card__num {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--teal-400);
}

.page-disclaimer .terms-card__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ice-100);
}

.page-disclaimer .terms-card__desc {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--mist-300);
}

.page-disclaimer .terms-next__note {
  margin: 1.5rem 0 0;
  font-size: 0.75rem;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--navy-500);
}

/* ---------- 响应式 ---------- */
@media (min-width: 680px) {
  .page-disclaimer .terms-next__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .terms-hero {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: end;
    column-gap: clamp(2rem, 5vw, 4rem);
  }

  .page-disclaimer .terms-hero__media {
    align-self: stretch;
  }

  .page-disclaimer .terms-hero__media img {
    height: 100%;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .terms-layout {
    grid-template-columns: 190px minmax(0, 1fr);
    column-gap: clamp(2.5rem, 5vw, 4.5rem);
    align-items: start;
  }

  .page-disclaimer .terms-toc {
    position: sticky;
    top: 2rem;
  }

  .page-disclaimer .terms-toc__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .terms-toc__item + .terms-toc__item {
    margin-top: 0.25rem;
  }

  .page-disclaimer .terms-toc__link {
    display: flex;
    width: 100%;
    border-color: transparent;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    padding: 0.5rem 0.75rem;
    white-space: normal;
  }

  .page-disclaimer .terms-toc__link:hover,
  .page-disclaimer .terms-toc__link:focus-visible {
    border-left-color: var(--orange-500);
    background: rgba(255, 107, 26, 0.08);
  }

  .page-disclaimer .terms-clause__title {
    flex: 0 1 auto;
  }
}

@media (min-width: 1280px) {
  .page-disclaimer .terms-layout {
    grid-template-columns: 210px minmax(0, 1fr);
  }

  .page-disclaimer .terms-clause__num {
    font-size: 2.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .terms-toc__link,
  .page-disclaimer .terms-clause__copy,
  .page-disclaimer .terms-card {
    transition: none;
  }
}
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