.page-disclaimer {
  --disc-key: 120px;
  --disc-cyan-soft: rgba(47, 224, 203, .08);
  --disc-cyan-line: rgba(47, 224, 203, .38);
  --disc-amber-soft: rgba(255, 162, 58, .16);
  background: var(--ink);
  overflow-x: hidden;
}

.page-disclaimer .disc-top {
  padding-top: clamp(26px, 4.6vw, 60px);
  padding-bottom: clamp(24px, 3.6vw, 46px);
}

.page-disclaimer .disc-top__grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(18px, 3vw, 32px);
}

.page-disclaimer .disc-top__lead .display {
  margin: 10px 0 0;
  color: var(--white);
}

.page-disclaimer .disc-top__lead .lede {
  margin: 16px 0 0;
  max-width: 44ch;
}

/* 版本信息读数表 */
.page-disclaimer .disc-meta {
  margin: 0;
  padding: 0;
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.page-disclaimer .disc-meta__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 14px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--hair);
}

.page-disclaimer .disc-meta__row:last-child {
  border-bottom: 0;
}

.page-disclaimer .disc-meta__k {
  margin: 0;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mauve);
}

.page-disclaimer .disc-meta__v {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .04em;
  color: var(--white);
  word-break: break-all;
}

/* 首屏下方图示 */
.page-disclaimer .disc-figurewrap {
  margin-top: clamp(22px, 3.4vw, 46px);
}

.page-disclaimer .disc-figure {
  margin: 0;
}

.page-disclaimer .disc-figure .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 内容分区 */
.page-disclaimer .disc-block {
  padding-top: clamp(32px, 5vw, 70px);
  padding-bottom: clamp(32px, 5vw, 70px);
}

.page-disclaimer .disc-block__head {
  max-width: 64ch;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-disclaimer .disc-block__head .section-title {
  margin: 8px 0 0;
  color: var(--white);
}

.page-disclaimer .disc-block__head .body-text {
  margin: 14px 0 0;
}

/* 条款列表 */
.page-disclaimer .disc-clauses {
  border-top: 2px solid var(--line);
}

.page-disclaimer .clause {
  display: grid;
  gap: 12px;
  padding: clamp(20px, 3vw, 32px) 0;
  border-bottom: 1px solid var(--hair);
  transition: background var(--fast) var(--ease), box-shadow var(--fast) var(--ease);
}

.page-disclaimer .clause:hover {
  background: linear-gradient(90deg, var(--disc-cyan-soft), transparent 74%);
}

.page-disclaimer .clause:target {
  background: linear-gradient(90deg, rgba(47, 224, 203, .13), transparent 78%);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-disclaimer .clause__key {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-disclaimer .clause__code {
  display: inline-block;
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--cyan);
  border: 1px solid var(--disc-cyan-line);
  background: var(--disc-cyan-soft);
  padding: 3px 8px;
}

.page-disclaimer .clause__topic {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: .03em;
  color: var(--white);
}

.page-disclaimer .clause__body {
  min-width: 0;
}

.page-disclaimer .clause__body p {
  margin: 0;
  max-width: 40em;
}

.page-disclaimer .clause__body p + p {
  margin-top: 12px;
}

.page-disclaimer .clause__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

/* 中段对比色带与速览目录 */
.page-disclaimer .disc-band {
  margin-top: clamp(24px, 4vw, 54px);
}

.page-disclaimer .disc-toc {
  padding: clamp(16px, 2.4vw, 28px) 0 clamp(14px, 2vw, 22px);
}

.page-disclaimer .disc-toc__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-disclaimer .disc-toc__title {
  margin: 0;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--mauve);
  text-transform: uppercase;
}

.page-disclaimer .disc-toc__btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
  background: transparent;
  border: 1px solid var(--disc-cyan-line);
  padding: 6px 12px;
  cursor: pointer;
  transition: background var(--fast) var(--ease), color var(--fast) var(--ease);
}

.page-disclaimer .disc-toc__btn:hover,
.page-disclaimer .disc-toc__btn:focus-visible {
  background: var(--cyan);
  color: var(--cyan-ink);
  outline: none;
}

.page-disclaimer .disc-toc__body {
  margin-top: 14px;
}

.page-disclaimer .disc-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 22px;
}

.page-disclaimer .disc-toc__list > li {
  min-width: 0;
}

.page-disclaimer .disc-toc__list a {
  display: block;
  padding: 6px 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px dashed var(--hair);
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.page-disclaimer .disc-toc__list a:hover,
.page-disclaimer .disc-toc__list a:focus-visible {
  color: var(--cyan);
  border-color: var(--disc-cyan-line);
  outline: none;
}

/* 默认只露两行，点开后完整呈现 */
.page-disclaimer .disc-toc__list > li:nth-child(n+5) {
  display: none;
}

.page-disclaimer .disc-toc[data-open="true"] .disc-toc__list > li {
  display: block;
}

.page-disclaimer .disc-band__rule {
  height: clamp(38px, 5vw, 58px);
  border-top: 1px solid var(--amber);
  border-bottom: 1px solid var(--amber);
  background-image:
    repeating-linear-gradient(90deg, rgba(255, 162, 58, .42) 0 1px, transparent 1px 14px),
    linear-gradient(90deg, var(--disc-amber-soft), rgba(255, 162, 58, 0) 58%);
}

/* 相关说明 */
.page-disclaimer .disc-next {
  padding-top: clamp(28px, 4vw, 54px);
  padding-bottom: clamp(32px, 5vw, 66px);
}

.page-disclaimer .disc-next__label {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--mauve);
}

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

.page-disclaimer .disc-next__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--hair);
}

.page-disclaimer .disc-next__link {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--cyan);
  text-decoration: none;
}

.page-disclaimer .disc-next__link:hover,
.page-disclaimer .disc-next__link:focus-visible {
  color: var(--mist);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-disclaimer .disc-next__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mauve);
}

/* 平板及以上 */
@media (min-width: 760px) {
  .page-disclaimer .disc-meta__row {
    padding: 12px 18px;
  }

  .page-disclaimer .clause {
    grid-template-columns: var(--disc-key) minmax(0, 1fr);
    gap: clamp(20px, 3vw, 40px);
    align-items: start;
  }

  .page-disclaimer .clause__key {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-disclaimer .disc-toc__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .disc-toc__list > li:nth-child(n+5) {
    display: block;
  }

  .page-disclaimer .disc-toc__list > li:nth-child(n+7) {
    display: none;
  }

  .page-disclaimer .disc-toc[data-open="true"] .disc-toc__list > li {
    display: block;
  }

  .page-disclaimer .disc-next__links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(18px, 2.4vw, 32px);
  }
}

/* 桌面端 */
@media (min-width: 960px) {
  .page-disclaimer .disc-top__grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, .58fr);
    align-items: end;
    gap: var(--gap);
  }

  .page-disclaimer .disc-toc__list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-disclaimer .disc-toc__list > li:nth-child(n+7) {
    display: block;
  }

  .page-disclaimer .disc-toc__list > li:nth-child(n+11) {
    display: none;
  }

  .page-disclaimer .disc-toc[data-open="true"] .disc-toc__list > li {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause,
  .page-disclaimer .disc-toc__btn,
  .page-disclaimer .disc-toc__list a {
    transition: none;
  }
}