.page-disclaimer {
  --terms-gutter: clamp(16px, 4vw, 40px);
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 52%, var(--ink-900) 100%);
  color: var(--ivory);
  padding-bottom: clamp(40px, 7vw, 72px);
}

/* 页头 */
.page-disclaimer .terms-masthead {
  position: relative;
  overflow: hidden;
  border-bottom: 3px solid var(--wine);
  background: var(--ink-900);
}
.page-disclaimer .terms-masthead-media {
  position: absolute;
  inset: 0;
}
.page-disclaimer .terms-masthead-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
  filter: saturate(0.55) contrast(1.05);
}
.page-disclaimer .terms-masthead-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(6, 35, 31, 0.94) 0%, rgba(6, 35, 31, 0.68) 46%, rgba(6, 35, 31, 0.92) 100%),
    linear-gradient(180deg, rgba(6, 35, 31, 0.35) 0%, rgba(6, 35, 31, 0.95) 100%);
}
.page-disclaimer .terms-masthead-body {
  position: relative;
  padding: clamp(44px, 8vw, 84px) 0 clamp(26px, 4vw, 38px);
}
.page-disclaimer .terms-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan-soft);
}
.page-disclaimer h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 6.2vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ivory);
  max-width: 22ch;
}
.page-disclaimer .terms-lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(247, 250, 247, 0.84);
}

/* 版本横条 */
.page-disclaimer .version-strip {
  margin-top: clamp(22px, 3.4vw, 34px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 12px 18px;
  background: var(--cyan);
  color: var(--ink-900);
  border-radius: var(--radius);
  box-shadow: 0 14px 34px rgba(47, 227, 198, 0.18);
}
.page-disclaimer .vs-key {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--teal-ink);
}
.page-disclaimer .vs-value {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 18px;
  color: var(--ink-900);
}
.page-disclaimer .vs-sep {
  width: 1px;
  height: 18px;
  background: rgba(6, 35, 31, 0.32);
}
.page-disclaimer .vs-note {
  margin-left: auto;
  font-size: 13px;
  color: var(--teal-ink);
}

/* 面包屑 */
.page-disclaimer .terms-crumb {
  padding-top: 18px;
  padding-bottom: 4px;
}
.page-disclaimer .terms-crumb .breadcrumb {
  font-size: 13px;
  color: rgba(247, 250, 247, 0.66);
}
.page-disclaimer .terms-crumb .breadcrumb a {
  color: var(--cyan-soft);
  text-decoration: none;
}
.page-disclaimer .terms-crumb .breadcrumb a:hover,
.page-disclaimer .terms-crumb .breadcrumb a:focus-visible {
  text-decoration: underline;
}

/* 布局 */
.page-disclaimer .terms-body {
  padding-top: clamp(22px, 3.6vw, 36px);
}
.page-disclaimer .terms-layout {
  display: grid;
  gap: 24px;
}

/* 左侧条款序号栏 */
.page-disclaimer .terms-index {
  background: rgba(6, 35, 31, 0.72);
  border: 1px solid rgba(47, 227, 198, 0.22);
  border-radius: var(--radius);
  padding: 16px 16px 14px;
  backdrop-filter: blur(6px);
}
.page-disclaimer .terms-index-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan-soft);
}
.page-disclaimer .terms-index ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}
.page-disclaimer .terms-index a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  border-left: 2px solid transparent;
  font-size: 13px;
  line-height: 1.5;
  color: rgba(247, 250, 247, 0.78);
  text-decoration: none;
  transition: background-color 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-disclaimer .terms-index .ti-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
}
.page-disclaimer .terms-index a:hover,
.page-disclaimer .terms-index a:focus-visible {
  background: rgba(47, 227, 198, 0.14);
  color: var(--ivory);
}
.page-disclaimer .terms-index a.is-active,
.page-disclaimer .terms-index a[aria-current="true"] {
  background: rgba(47, 227, 198, 0.2);
  border-left-color: var(--cyan);
  color: var(--ivory);
}
.page-disclaimer .terms-index a.is-active .ti-num,
.page-disclaimer .terms-index a[aria-current="true"] .ti-num {
  color: var(--cyan);
}

/* 条款正文 */
.page-disclaimer .terms-flow {
  display: grid;
  gap: 20px;
  min-width: 0;
}
.page-disclaimer .terms-clause {
  border-top: 3px solid var(--wine);
  border-radius: var(--radius);
  padding: clamp(18px, 2.6vw, 26px) clamp(16px, 2.4vw, 28px) clamp(18px, 2.6vw, 26px);
  min-width: 0;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.22);
}
.page-disclaimer .terms-clause:nth-of-type(even) {
  border-top-color: var(--ink-800);
}
.page-disclaimer .terms-clause--contact {
  border-top-color: var(--flame);
}
.page-disclaimer .clause-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-bottom: 14px;
}
.page-disclaimer .clause-num {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(30px, 4.4vw, 42px);
  line-height: 1;
  color: var(--teal-ink);
}
.page-disclaimer .clause-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(19px, 2.6vw, 27px);
  letter-spacing: -0.005em;
  color: var(--ink-900);
}
.page-disclaimer .clause-toggle {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 6px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--teal-ink);
  cursor: pointer;
  transition: background-color 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-disclaimer .clause-toggle:hover,
.page-disclaimer .clause-toggle:focus-visible {
  background: var(--ink-800);
  border-color: var(--ink-800);
  color: var(--ivory);
}
.page-disclaimer .clause-toggle:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.page-disclaimer .clause-body[hidden] {
  display: none;
}
.page-disclaimer .clause-lede {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-800);
  max-width: 64ch;
}
.page-disclaimer .clause-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-disclaimer .clause-list li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-900);
}
.page-disclaimer .clause-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-disclaimer .clause-id {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
  padding-top: 3px;
}
.page-disclaimer .clause-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0 0;
}
.page-disclaimer .clause-links .btn {
  text-decoration: none;
}
.page-disclaimer .terms-backtop {
  margin: 6px 0 0;
  font-size: 13px;
  color: rgba(247, 250, 247, 0.7);
}
.page-disclaimer .terms-backtop a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(140, 246, 228, 0.42);
  padding-bottom: 2px;
}
.page-disclaimer .terms-backtop a:hover,
.page-disclaimer .terms-backtop a:focus-visible {
  color: var(--ivory);
  border-bottom-color: var(--ivory);
}

@media (min-width: 900px) {
  .page-disclaimer .terms-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }
  .page-disclaimer .terms-index {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }
  .page-disclaimer .terms-index ol {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }
  .page-disclaimer .terms-flow {
    gap: 24px;
  }
  .page-disclaimer .terms-clause {
    padding-left: clamp(26px, 3.2vw, 40px);
    padding-right: clamp(26px, 3.2vw, 40px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .terms-index a,
  .page-disclaimer .clause-toggle {
    transition: none;
  }
}
</main>