.page-disclaimer {
  --disc-measure: 64ch;
  --disc-rail: 96px;
  --disc-radius: var(--ob-radius-md);
  overflow-x: clip;
  padding-top: clamp(22px, 4vw, 44px);
}

.page-disclaimer .ob-crumbs {
  margin-bottom: 22px;
}

/* 头部 */
.page-disclaimer__head {
  display: grid;
  gap: 14px;
  max-width: 60rem;
}

.page-disclaimer__lede {
  max-width: var(--disc-measure);
  margin: 0;
}

.disc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 4px;
  color: var(--ob-slate);
  font-size: 12px;
  letter-spacing: .06em;
}

.disc-meta span {
  padding: 4px 10px;
  border: 1px solid var(--ob-line);
  border-radius: 999px;
}

/* 章节目录 */
.disc-toc {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 30px 0 6px;
}

.disc-toc__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--ob-line);
  border-radius: var(--disc-radius);
  background: linear-gradient(150deg, rgba(29, 86, 72, .45), rgba(13, 18, 16, .55));
  color: var(--ob-bone);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  text-decoration: none;
  transition: transform var(--ob-dur) var(--ob-ease),
              border-color var(--ob-dur) var(--ob-ease),
              background-color var(--ob-dur) var(--ob-ease);
}

.disc-toc__link:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 199, 58, .6);
}

.disc-toc__link:focus-visible {
  outline: 2px solid var(--ob-yellow);
  outline-offset: 2px;
}

.disc-toc__num {
  flex: none;
  font-family: var(--ob-font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ob-yellow);
}

/* 条款主体 */
.disc-flow {
  margin-top: 26px;
  border-top: 1px solid var(--ob-line-soft);
}

.disc-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 26px 0;
  border-bottom: 1px solid var(--ob-line-soft);
}

.disc-item__rail {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.disc-item__rail::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 199, 58, .55), rgba(255, 199, 58, 0));
}

.disc-item__num {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--ob-yellow);
}

.disc-item__body {
  max-width: var(--disc-measure);
  min-width: 0;
}

.disc-item__body .ob-h2 {
  margin-bottom: 14px;
}

.disc-prose p {
  margin: 0 0 .9em;
  word-break: break-word;
}

.disc-prose p:last-child {
  margin-bottom: 0;
}

.disc-prose a {
  color: var(--ob-yellow);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.disc-prose a:hover {
  color: var(--ob-highlight);
}

/* 更新节奏清单 */
.disc-timing {
  display: grid;
  margin: 20px 0 18px;
  border: 1px solid var(--ob-line);
  border-radius: var(--disc-radius);
  background: rgba(18, 53, 44, .45);
  overflow: hidden;
}

.disc-timing__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 16px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--ob-line-soft);
}

.disc-timing__row:last-child {
  border-bottom: 0;
}

.disc-timing__key {
  font-size: 15px;
  font-weight: 600;
  color: var(--ob-bone);
}

.disc-timing__val {
  font-size: 13px;
  color: var(--ob-yellow);
  letter-spacing: .04em;
}

/* 可展开提示卡 */
.disc-note {
  margin: 20px 0 4px;
  padding: 2px 18px 2px;
  border: 1px solid rgba(255, 199, 58, .5);
  border-radius: var(--disc-radius);
  background: linear-gradient(160deg, rgba(255, 199, 58, .1), rgba(255, 199, 58, .02));
}

.disc-note summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px 0;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  color: var(--ob-yellow);
}

.disc-note summary::-webkit-details-marker {
  display: none;
}

.disc-note summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--ob-font-mono);
  font-size: 16px;
  line-height: 1;
}

.disc-note[open] summary::after {
  content: "–";
}

.disc-note summary:focus-visible {
  outline: 2px solid var(--ob-yellow);
  outline-offset: 3px;
  border-radius: 6px;
}

.disc-note__body {
  padding: 0 0 16px;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ob-bone);
}

.disc-note__body p {
  margin: 0 0 .8em;
}

.disc-note__body p:last-child {
  margin-bottom: 0;
}

/* 联系方式 */
.disc-contact {
  display: grid;
  gap: 16px;
  margin: 20px 0 18px;
}

.disc-contact__item {
  display: grid;
  gap: 4px;
  padding-left: 14px;
  border-left: 2px solid rgba(255, 199, 58, .55);
  min-width: 0;
}

.disc-contact__label {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--ob-slate);
}

.disc-contact__value {
  font-size: 16px;
  font-weight: 600;
  color: var(--ob-bone);
  word-break: break-word;
}

.disc-contact__sub {
  font-size: 13px;
  color: var(--ob-slate);
  line-height: 1.7;
}

/* 收尾横幅 */
.disc-closing {
  position: relative;
  margin: 40px 0 0;
  border: 1px solid var(--ob-line);
  border-radius: var(--ob-radius-lg);
  overflow: hidden;
  background: var(--ob-ink);
}

.disc-closing .ob-figure__media {
  position: relative;
  aspect-ratio: 2 / 1;
  overflow: hidden;
}

.disc-closing .ob-figure__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(138, 152, 166, .16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(138, 152, 166, .16) 1px, transparent 1px);
  background-size: 28px 28px;
}

.disc-closing .ob-figure__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.disc-closing .ob-figure__cap {
  position: relative;
  z-index: 1;
  padding: 14px 18px;
  border-top: 1px solid var(--ob-line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ob-slate);
  text-align: left;
  margin: 0;
}

/* 平板与桌面 */
@media (min-width: 640px) {
  .disc-toc {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .disc-timing__row {
    padding: 13px 20px;
  }

  .disc-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 26px;
  }

  .disc-closing .ob-figure__media {
    aspect-ratio: 12 / 5;
  }
}

@media (min-width: 900px) {
  .disc-toc {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .disc-item {
    grid-template-columns: var(--disc-rail) minmax(0, 1fr);
    gap: 32px;
    padding: 36px 0;
  }

  .disc-item__rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .disc-item__rail::after {
    background: linear-gradient(90deg, rgba(255, 199, 58, .5), rgba(255, 199, 58, 0));
  }

  .disc-item__num {
    font-size: 15px;
  }
}

@media (min-width: 1200px) {
  .disc-closing {
    margin-top: 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .disc-toc__link {
    transition: none;
  }

  .disc-toc__link:hover {
    transform: none;
  }
}