.page-disclaimer {
  --use-rule-gap: 26px;
  --use-note-bg: linear-gradient(180deg, rgba(229, 169, 60, .09), rgba(229, 169, 60, .02));
}

.page-disclaimer .l8-crumbs {
  padding-top: 22px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .use-hero {
  padding: 26px 0 34px;
}

.page-disclaimer .use-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

.page-disclaimer .use-hero__text h1 {
  margin: 12px 0 16px;
  font-size: 30px;
  line-height: 1.28;
  color: var(--l8-paper);
  letter-spacing: .01em;
}

.page-disclaimer .use-hero__text .l8-lead {
  max-width: 42em;
  margin: 0;
  color: var(--l8-silver);
}

.page-disclaimer .use-hero__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  background: var(--l8-line);
  border: 1px solid var(--l8-line);
}

.page-disclaimer .use-hero__meta li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  background: var(--l8-ink);
}

.page-disclaimer .use-hero__meta strong {
  font-family: var(--l8-font-mono);
  font-size: 30px;
  line-height: 1;
  color: var(--l8-amber);
  letter-spacing: -.02em;
}

.page-disclaimer .use-hero__meta span {
  font-size: 13px;
  line-height: 1.5;
  color: var(--l8-rock);
}

.page-disclaimer .use-hero__media {
  margin: 0;
  clip-path: polygon(0 0, calc(100% - var(--l8-cut-lg)) 0, 100% var(--l8-cut-lg), 100% 100%, var(--l8-cut-lg) 100%, 0 calc(100% - var(--l8-cut-lg)));
}

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

.page-disclaimer .use-hero__media .l8-media__cap {
  color: var(--l8-rock);
}

/* ---------- 顶部规则导航带 ---------- */
.page-disclaimer .use-jump {
  position: sticky;
  top: 0;
  z-index: 6;
  background: rgba(10, 12, 14, .94);
  border-top: 1px solid var(--l8-line);
  border-bottom: 1px solid var(--l8-line);
}

.page-disclaimer .use-jump__list {
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .use-jump__list::-webkit-scrollbar {
  height: 2px;
}

.page-disclaimer .use-jump__list::-webkit-scrollbar-thumb {
  background: var(--l8-cyan);
}

.page-disclaimer .use-jump__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 14px 12px;
  border-bottom: 2px solid transparent;
  color: var(--l8-rock);
  font-size: 13px;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: color .18s var(--l8-ease), border-color .18s var(--l8-ease);
}

.page-disclaimer .use-jump__link:hover,
.page-disclaimer .use-jump__link:focus-visible {
  color: var(--l8-paper);
}

.page-disclaimer .use-jump__link.is-active {
  color: var(--l8-paper);
  border-bottom-color: var(--l8-cyan);
}

.page-disclaimer .use-jump__idx {
  font-family: var(--l8-font-mono);
  font-size: 12px;
  color: var(--l8-cinnabar);
  letter-spacing: .06em;
}

.page-disclaimer .use-jump__link.is-active .use-jump__idx {
  color: var(--l8-cyan);
}

/* ---------- 规则章节 ---------- */
.page-disclaimer .use-rule {
  padding: 40px 0;
  border-top: 1px solid var(--l8-line);
}

.page-disclaimer .use-rule__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--use-rule-gap);
  align-items: start;
}

.page-disclaimer .use-rule__num {
  font-family: var(--l8-font-mono);
  color: var(--l8-cinnabar);
  opacity: .85;
}

.page-disclaimer .use-rule__desc {
  max-width: 44em;
  margin: 0 0 6px;
  color: var(--l8-silver);
}

.page-disclaimer .use-item {
  margin-top: 20px;
  padding: 4px 0 4px 16px;
  border-left: 2px solid var(--l8-line-strong);
}

.page-disclaimer .use-item__head {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--l8-paper);
  letter-spacing: .01em;
}

.page-disclaimer .use-item__pair {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 10px;
  margin: 0 0 8px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--l8-silver);
}

.page-disclaimer .use-item__key {
  padding-top: 4px;
  font-family: var(--l8-font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--l8-cyan);
}

.page-disclaimer .use-item__val a {
  color: var(--l8-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 214, 208, .35);
}

.page-disclaimer .use-item__val a:hover,
.page-disclaimer .use-item__val a:focus-visible {
  color: var(--l8-paper);
  border-bottom-color: var(--l8-paper);
}

/* ---------- 折叠细节 ---------- */
.page-disclaimer .use-details {
  margin-top: 18px;
  border-top: 1px solid var(--l8-line);
}

.page-disclaimer .use-details summary {
  position: relative;
  padding: 14px 26px 14px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--l8-silver);
  transition: color .18s var(--l8-ease);
}

.page-disclaimer .use-details summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .use-details summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--l8-font-mono);
  font-size: 18px;
  color: var(--l8-rock);
}

.page-disclaimer .use-details[open] summary::after {
  content: "–";
  color: var(--l8-cyan);
}

.page-disclaimer .use-details summary:hover,
.page-disclaimer .use-details summary:focus-visible {
  color: var(--l8-paper);
}

.page-disclaimer .use-details p {
  margin: 0 0 16px;
  padding-left: 14px;
  border-left: 2px solid var(--l8-line-strong);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--l8-silver);
}

/* ---------- 琥珀提醒卡 ---------- */
.page-disclaimer .use-note {
  padding: 20px 22px;
  background: var(--use-note-bg);
  border: 1px solid rgba(229, 169, 60, .5);
  clip-path: polygon(0 0, calc(100% - var(--l8-cut)) 0, 100% var(--l8-cut), 100% 100%, var(--l8-cut) 100%, 0 calc(100% - var(--l8-cut)));
}

.page-disclaimer .use-note__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--l8-amber);
}

.page-disclaimer .use-note p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--l8-silver);
}

/* ---------- 引用模板 ---------- */
.page-disclaimer .use-tpl {
  padding: 44px 0 56px;
  border-top: 1px solid var(--l8-line);
}

.page-disclaimer .use-tpl__panel {
  padding: 24px;
  background: var(--l8-graphite);
  border: 1px solid var(--l8-line-strong);
  clip-path: polygon(0 0, calc(100% - var(--l8-cut-lg)) 0, 100% var(--l8-cut-lg), 100% 100%, var(--l8-cut-lg) 100%, 0 calc(100% - var(--l8-cut-lg)));
}

.page-disclaimer .use-tpl__panel .l8-panel__head {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 18px;
}

.page-disclaimer .use-tpl__body {
  margin: 0;
  padding: 16px 18px;
  background: var(--l8-ink);
  border-left: 3px solid var(--l8-clay);
  font-family: var(--l8-font-mono);
  font-size: 14px;
  line-height: 1.9;
  color: var(--l8-paper);
  overflow-wrap: anywhere;
}

.page-disclaimer .use-tpl__hint {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--l8-rock);
}

.page-disclaimer .use-tpl__links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px 22px;
  margin: 20px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--l8-line);
}

.page-disclaimer .use-tpl__links a {
  display: inline-block;
  font-size: 15px;
  color: var(--l8-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 214, 208, .3);
}

.page-disclaimer .use-tpl__links a:hover,
.page-disclaimer .use-tpl__links a:focus-visible {
  color: var(--l8-paper);
  border-bottom-color: var(--l8-paper);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .use-hero {
    padding: 40px 0 44px;
  }

  .page-disclaimer .use-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 48px;
  }

  .page-disclaimer .use-hero__text h1 {
    font-size: 40px;
    line-height: 1.2;
  }

  .page-disclaimer .use-rule {
    padding: 52px 0;
  }

  .page-disclaimer .use-rule__grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 48px;
  }

  .page-disclaimer .use-note {
    position: sticky;
    top: 92px;
  }

  .page-disclaimer .use-tpl__panel {
    padding: 34px 38px;
  }
}

@media (min-width: 1280px) {
  .page-disclaimer .use-rule__grid {
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .use-jump__link,
  .page-disclaimer .use-details summary {
    transition: none;
  }
}