.page-disclaimer {
  --dsc-measure: 68ch;
  --dsc-gutter: 20px;
  position: relative;
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
  padding-bottom: 96px;
}

.page-disclaimer::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 100% 96px, 96px 100%;
  opacity: .3;
  pointer-events: none;
  z-index: 0;
}

.page-disclaimer > .wrap {
  position: relative;
  z-index: 1;
}

.page-disclaimer .crumbs {
  margin: 24px 0 28px;
}

.page-disclaimer .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--grey);
}

.page-disclaimer .crumbs a {
  color: var(--grey);
  text-decoration: none;
}

.page-disclaimer .crumbs a:hover,
.page-disclaimer .crumbs a:focus-visible {
  color: var(--lime);
}

.page-disclaimer .crumbs li[aria-current] {
  color: var(--paper);
}

/* 首屏 */
.page-disclaimer .dsc-hero {
  position: relative;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .dsc-banner {
  position: relative;
  aspect-ratio: 10 / 3;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-disclaimer .dsc-banner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(.25) contrast(1.08);
}

.page-disclaimer .dsc-banner .media-caption {
  position: absolute;
  left: 0;
  bottom: 0;
  max-width: min(560px, 90%);
  margin: 0;
  padding: 10px 14px;
  background: rgba(7, 9, 12, .78);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--grey);
}

.page-disclaimer .dsc-head {
  position: relative;
  margin-top: 32px;
  padding-right: 64px;
}

.page-disclaimer .dsc-kicker {
  margin: 0 0 12px;
  color: var(--lime);
}

.page-disclaimer .dsc-title {
  margin: 0;
  font-size: clamp(2.4rem, 12vw, 5.4rem);
  color: var(--paper);
  transform: scaleX(.94);
  transform-origin: left center;
}

.page-disclaimer .dsc-lede {
  max-width: var(--dsc-measure);
  margin: 20px 0 0;
  color: #D8D4C8;
  font-size: 1rem;
  line-height: 1.85;
}

.page-disclaimer .dsc-ver {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  margin: 24px 0 0;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--lime);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
}

.page-disclaimer .dsc-ver .t-num {
  font-size: 1.35rem;
  line-height: 1;
  color: var(--lime);
}

/* 条款正文 */
.page-disclaimer .dsc-body {
  padding-top: 40px;
}

.page-disclaimer .dsc-clauses {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-disclaimer .clause {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .clause-main {
  max-width: var(--dsc-measure);
}

.page-disclaimer .clause-title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.35rem, 5.4vw, 1.9rem);
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--paper);
  transform: scaleX(.96);
  transform-origin: left center;
}

.page-disclaimer .clause-no {
  font-size: 1.4rem;
  color: var(--lime);
  letter-spacing: 0;
}

.page-disclaimer .clause-main p {
  margin: 0 0 12px;
  font-size: 1rem;
  line-height: 1.85;
  color: #D8D4C8;
}

.page-disclaimer .clause-main p:last-of-type {
  margin-bottom: 0;
}

.page-disclaimer .key-line {
  margin: 16px 0 18px !important;
  padding: 10px 0 10px 14px;
  border-left: 3px solid var(--lime);
  color: var(--paper) !important;
  font-weight: 600;
  background: linear-gradient(90deg, rgba(183, 255, 46, .08), transparent 70%);
}

.page-disclaimer .clause-list {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-disclaimer .clause-list li {
  position: relative;
  padding-left: 18px;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--grey);
}

.page-disclaimer .clause-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .85em;
  width: 8px;
  height: 1px;
  background: var(--blue);
}

.page-disclaimer .clause-ref {
  margin: 0 !important;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--blue);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity .24s var(--ease), transform .24s var(--ease);
}

.page-disclaimer .clause:hover .clause-ref,
.page-disclaimer .clause:focus-within .clause-ref {
  opacity: 1;
  transform: translateY(0);
}

.page-disclaimer .clause-side {
  display: none;
}

/* 相关页面 */
.page-disclaimer .dsc-links {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .dsc-links-title {
  margin: 0 0 18px;
  color: var(--lime);
}

.page-disclaimer .dsc-links ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-disclaimer .dsc-links a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background: var(--ink-2);
  text-decoration: none;
  transition: background .24s var(--ease);
}

.page-disclaimer .dsc-links a:hover,
.page-disclaimer .dsc-links a:focus-visible {
  background: var(--layer);
}

.page-disclaimer .dsc-link-label {
  font-size: .95rem;
  line-height: 1.6;
  color: var(--paper);
}

.page-disclaimer .dsc-link-page {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--blue);
}

.page-disclaimer .dsc-links a:hover .dsc-link-page {
  color: var(--lime);
}

/* 回到顶部 */
.page-disclaimer .dsc-top {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 5;
  padding: 10px 14px;
  border: 1px solid var(--lime);
  background: var(--ink);
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-decoration: none;
  transition: background .24s var(--ease), color .24s var(--ease);
}

.page-disclaimer .dsc-top:hover,
.page-disclaimer .dsc-top:focus-visible {
  background: var(--lime);
  color: var(--ink);
}

.page-disclaimer .crumbs a:focus-visible,
.page-disclaimer .dsc-links a:focus-visible,
.page-disclaimer .dsc-top:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

/* 平板及以上 */
@media (min-width: 768px) {
  .page-disclaimer {
    --dsc-gutter: 32px;
  }

  .page-disclaimer .crumbs {
    margin-top: 32px;
  }

  .page-disclaimer .dsc-head {
    margin-top: 44px;
    padding-right: 96px;
  }

  .page-disclaimer .dsc-lede {
    font-size: 1.0625rem;
  }

  .page-disclaimer .dsc-body {
    padding-top: 56px;
  }

  .page-disclaimer .clause {
    padding: 44px 0;
  }

  .page-disclaimer .dsc-links ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 桌面：正文左窄栏 + 右侧竖排小注 */
@media (min-width: 900px) {
  .page-disclaimer .dsc-hero::after {
    content: "使用条款 · 版本 V3";
    position: absolute;
    top: 0;
    right: 8px;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .3em;
    color: var(--grey);
  }

  .page-disclaimer .dsc-banner {
    aspect-ratio: 21 / 7;
  }

  .page-disclaimer .clause {
    grid-template-columns: minmax(0, 1fr) 96px;
    gap: 48px;
    align-items: start;
  }

  .page-disclaimer .clause-side {
    display: flex;
    justify-content: flex-end;
    padding-top: 6px;
  }

  .page-disclaimer .clause-side span {
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .3em;
    color: var(--grey);
    white-space: nowrap;
  }

  .page-disclaimer .clause-main {
    padding-left: 20px;
    border-left: 1px solid var(--line);
  }

  .page-disclaimer .clause:hover .clause-main {
    border-left-color: var(--lime-dark);
  }

  .page-disclaimer .dsc-links ul {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* 宽桌面 */
@media (min-width: 1180px) {
  .page-disclaimer .dsc-head {
    padding-right: 160px;
  }

  .page-disclaimer .clause {
    grid-template-columns: minmax(0, 1fr) 140px;
  }

  .page-disclaimer .clause-main {
    padding-left: 28px;
  }

  .page-disclaimer .clause-main p,
  .page-disclaimer .clause-list li {
    font-size: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause-ref,
  .page-disclaimer .dsc-links a,
  .page-disclaimer .dsc-top {
    transition: none;
  }
}
</main>