/* ===== 使用说明 / page-disclaimer ===== */

.page-disclaimer {
  --disc-measure: 68ch;
  --disc-sticky-top: 84px;
}

/* ---------- 首屏 ---------- */

.page-disclaimer .disc-hero {
  padding-block-start: clamp(28px, 5vw, 64px);
}

.page-disclaimer .breadcrumb {
  margin-block-end: clamp(20px, 3vw, 32px);
}

.page-disclaimer .disc-hero__eyebrow {
  margin: 0 0 14px;
  color: var(--c-cyan);
}

.page-disclaimer .disc-hero__title {
  margin: 0 0 clamp(28px, 4vw, 44px);
  max-width: 16ch;
}

.page-disclaimer .disc-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  padding-block-end: clamp(28px, 4vw, 48px);
}

.page-disclaimer .disc-hero__lede {
  margin: 0;
  max-width: 60ch;
  color: var(--c-text);
}

.page-disclaimer .disc-hero__meta {
  margin: 0;
  border-top: var(--line);
}

.page-disclaimer .disc-hero__meta-row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: var(--line);
}

.page-disclaimer .disc-hero__meta-row dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-muted);
}

.page-disclaimer .disc-hero__meta-row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-text);
}

.page-disclaimer .disc-hero__media {
  margin: 0;
  aspect-ratio: 7 / 4;
  overflow: hidden;
}

.page-disclaimer .disc-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 条款索引 ---------- */

.page-disclaimer .disc-index {
  margin-block-end: clamp(28px, 4vw, 48px);
  border-block: var(--line);
}

.page-disclaimer .disc-index__list {
  display: flex;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .disc-index__list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .disc-index__item {
  flex: none;
}

.page-disclaimer .disc-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  padding: 15px 18px;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--c-muted);
  text-decoration: none;
  border-right: var(--line);
  transition: color 0.18s ease, box-shadow 0.18s ease;
}

.page-disclaimer .disc-index__item:first-child .disc-index__link {
  border-left: var(--line);
}

.page-disclaimer .disc-index__link:hover {
  color: var(--c-orange-soft);
}

.page-disclaimer .disc-index__link.is-active,
.page-disclaimer .disc-index__link[aria-current="true"] {
  color: var(--c-cyan);
  box-shadow: inset 0 -2px 0 var(--c-cyan);
}

.page-disclaimer .disc-index__no {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-cyan-dim);
}

/* ---------- 条款面板：默认全部可读，支持 :target 时整块切换 ---------- */

.page-disclaimer .disc-panels {
  display: block;
}

.page-disclaimer .disc-panel {
  padding-block: clamp(26px, 4vw, 44px);
  border-top: var(--line);
  scroll-margin-top: clamp(88px, 12vh, 128px);
}

.page-disclaimer:has(.disc-panel:target) .disc-panel {
  display: none;
}

.page-disclaimer:has(.disc-panel:target) .disc-panel:target {
  display: block;
}

.page-disclaimer .disc-panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  margin-block-end: 18px;
}

.page-disclaimer .disc-panel__num {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
}

.page-disclaimer .disc-panel__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 3vw, 34px);
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: 0.01em;
  color: var(--c-text);
}

.page-disclaimer .disc-panel__body {
  display: grid;
  gap: 18px;
  max-width: var(--disc-measure);
}

.page-disclaimer .disc-panel__body p {
  margin: 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--c-text);
}

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

.page-disclaimer .disc-panel__body a:hover {
  color: var(--c-orange-soft);
}

.page-disclaimer .disc-key {
  padding-bottom: 1px;
  color: var(--c-orange-soft);
  border-bottom: 1px solid var(--c-orange);
}

/* ---------- 条目清单 ---------- */

.page-disclaimer .disc-list {
  margin: 2px 0 0;
  padding: 0;
  max-width: var(--disc-measure);
  list-style: none;
}

.page-disclaimer .disc-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 5px;
  padding: 14px 0;
  border-top: var(--line);
}

.page-disclaimer .disc-list li:last-child {
  border-bottom: var(--line);
}

.page-disclaimer .disc-list__key {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
}

.page-disclaimer .disc-list__val {
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-text);
  overflow-wrap: anywhere;
}

/* ---------- 页尾纠错提示条 ---------- */

.page-disclaimer .disc-note {
  max-width: 860px;
  margin-block-start: clamp(32px, 5vw, 56px);
  border: var(--line);
  border-left: 3px solid var(--c-orange);
  background: var(--c-panel);
}

.page-disclaimer .disc-note__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .disc-note__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .disc-note__summary:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: -2px;
}

.page-disclaimer .disc-note__mark {
  flex: none;
  padding: 3px 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-orange);
  border: 1px solid var(--c-orange);
}

.page-disclaimer .disc-note__text {
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-text);
  transition: color 0.18s ease;
}

.page-disclaimer .disc-note__summary:hover .disc-note__text {
  color: var(--c-orange-soft);
}

.page-disclaimer .disc-note__body {
  display: grid;
  gap: 12px;
  padding: 16px 20px 22px;
  border-top: var(--line);
}

.page-disclaimer .disc-note__body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--c-muted);
}

/* ---------- 回到开头 ---------- */

.page-disclaimer .disc-top {
  display: inline-block;
  margin-block-start: clamp(36px, 5vw, 56px);
  padding-bottom: 3px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--c-line);
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-disclaimer .disc-top:hover {
  color: var(--c-orange);
  border-bottom-color: var(--c-orange);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-disclaimer .disc-hero__meta-row {
    grid-template-columns: 96px minmax(0, 1fr);
  }

  .page-disclaimer .disc-list li {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .disc-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }

  .page-disclaimer .disc-hero__title {
    max-width: 20ch;
  }

  .page-disclaimer .disc-index {
    position: sticky;
    top: var(--disc-sticky-top);
    z-index: 6;
    background: var(--c-deep);
  }

  .page-disclaimer .disc-index__link {
    padding-inline: 24px;
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .disc-panel {
    padding-block: clamp(36px, 3.6vw, 56px);
  }
}