.page-disclaimer {
  --pd-sticky-top: calc(var(--header-h) + 24px);
  --pd-doc-max: 720px;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
  padding-bottom: clamp(56px, 8vw, 128px);
}

/* ---------- 首屏 ---------- */
.page-disclaimer__hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(36px, 6vw, 84px));
  background-image:
    linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: center top;
}

.page-disclaimer__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(90% 70% at 6% 0%, rgba(31, 111, 74, 0.26), transparent 58%),
    radial-gradient(70% 62% at 100% 8%, rgba(53, 198, 255, 0.12), transparent 62%),
    linear-gradient(180deg, transparent 42%, var(--ink) 100%);
}

.page-disclaimer__hero .container {
  position: relative;
  z-index: 1;
}

.page-disclaimer .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(30px, 5vw, 56px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-disclaimer .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

.page-disclaimer .breadcrumbs span[aria-current] {
  color: var(--text);
}

.page-disclaimer__kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-disclaimer__kicker::before {
  content: "";
  flex: none;
  width: 36px;
  height: 1px;
  background: var(--lime);
}

.page-disclaimer__title {
  margin: 0 0 clamp(18px, 3vw, 30px);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(46px, 11vw, 118px);
  line-height: 0.94;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-disclaimer__lede {
  margin: 0;
  max-width: 52ch;
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.85;
  color: var(--text);
}

.page-disclaimer__banner {
  position: relative;
  margin: clamp(36px, 6vw, 76px) 0 0;
  border: 1px solid var(--line);
  background: var(--graphite);
  overflow: hidden;
}

.page-disclaimer__banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: saturate(0.68) contrast(1.08);
}

.page-disclaimer__banner::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    118deg,
    rgba(31, 111, 74, 0.34) 0%,
    rgba(7, 11, 14, 0.74) 58%,
    rgba(53, 198, 255, 0.22) 100%
  );
}

/* ---------- 主体网格 ---------- */
.page-disclaimer__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 6vw, 72px);
  margin-top: clamp(44px, 7vw, 96px);
}

/* ---------- 条款目录 ---------- */
.page-disclaimer__toc {
  min-width: 0;
}

.page-disclaimer__toc-label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-disclaimer__toc-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer__toc-list li {
  flex: none;
  scroll-snap-align: start;
}

.page-disclaimer__toc-list a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  background: var(--graphite);
  color: var(--text);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-disclaimer__toc-list a:hover,
.page-disclaimer__toc-list a:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
}

.page-disclaimer .toc-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-disclaimer__toc-list a:hover .toc-num,
.page-disclaimer__toc-list a:focus-visible .toc-num {
  color: inherit;
}

/* ---------- 条款正文 ---------- */
.page-disclaimer__doc {
  min-width: 0;
  max-width: var(--pd-doc-max);
}

.page-disclaimer .clause {
  position: relative;
  padding: clamp(26px, 4vw, 40px) 0 clamp(26px, 4vw, 40px) clamp(18px, 3vw, 32px);
  border-top: 1px solid var(--line-soft);
  border-left: 2px solid transparent;
  scroll-margin-top: calc(var(--header-h) + 28px);
  transition: border-color 0.28s var(--ease), background-color 0.28s var(--ease);
}

.page-disclaimer .clause:first-child {
  border-top-color: var(--line);
}

.page-disclaimer .clause:target {
  border-left-color: var(--lime);
  background-color: rgba(200, 255, 61, 0.035);
}

.page-disclaimer .clause-head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 20px);
  margin-bottom: clamp(14px, 2vw, 20px);
}

.page-disclaimer .clause-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-disclaimer .clause-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.4vw, 30px);
  line-height: 1.24;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-disclaimer .clause p {
  margin: 0 0 1em;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text);
}

.page-disclaimer .clause p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .clause a {
  color: var(--blue);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.2s var(--ease);
}

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

/* ---------- 字段清单 ---------- */
.page-disclaimer .cite-list {
  margin: 0 0 1.3em;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .cite-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 3px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .cite-key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-disclaimer .cite-val {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
}

/* ---------- 禁止项 ---------- */
.page-disclaimer .forbid-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 0 0 1.3em;
}

.page-disclaimer .forbid-item {
  position: relative;
  padding: 16px 18px 18px;
  border: 1px solid var(--line);
  background:
    linear-gradient(158deg, rgba(255, 90, 90, 0.07), rgba(18, 26, 31, 0) 62%),
    var(--ink-2);
}

.page-disclaimer .forbid-item::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 30px;
  height: 2px;
  background: var(--red);
}

.page-disclaimer .forbid-item .tag {
  display: inline-block;
  margin-bottom: 10px;
}

.page-disclaimer .forbid-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text);
}

/* ---------- 版本记录 ---------- */
.page-disclaimer .version-list {
  margin: 0 0 1.3em;
  padding: 0 0 0 22px;
  list-style: none;
  border-left: 1px solid var(--line);
}

.page-disclaimer .version-list li {
  position: relative;
  padding-bottom: 18px;
}

.page-disclaimer .version-list li:last-child {
  padding-bottom: 0;
}

.page-disclaimer .version-list li::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 6px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 4px var(--ink);
}

.page-disclaimer .version-no {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--blue);
}

.page-disclaimer .version-desc {
  display: block;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
}

/* ---------- 页尾 ---------- */
.page-disclaimer__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 26px;
  margin-top: clamp(44px, 7vw, 84px);
  padding-top: clamp(26px, 4vw, 42px);
  border-top: 1px solid var(--line);
}

.page-disclaimer__foot .note {
  flex: 1 1 260px;
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-disclaimer__foot .btn {
  flex: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .cite-list li {
    grid-template-columns: 152px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

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

@media (min-width: 960px) {
  .page-disclaimer__body {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: clamp(40px, 6vw, 92px);
    align-items: start;
  }

  .page-disclaimer__toc {
    position: sticky;
    top: var(--pd-sticky-top);
    align-self: start;
  }

  .page-disclaimer__toc-list {
    flex-direction: column;
    gap: 0;
    padding: 0;
    overflow: visible;
    border-left: 1px solid var(--line-soft);
    scroll-snap-type: none;
  }

  .page-disclaimer__toc-list a {
    margin-left: -1px;
    padding: 9px 0 9px 16px;
    border: none;
    border-left: 2px solid transparent;
    background: transparent;
    white-space: normal;
  }

  .page-disclaimer__toc-list a:hover,
  .page-disclaimer__toc-list a:focus-visible {
    border-left-color: var(--lime);
    background: transparent;
  }
}

@media (min-width: 1200px) {
  .page-disclaimer__body {
    grid-template-columns: 232px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause,
  .page-disclaimer__toc-list a,
  .page-disclaimer .breadcrumbs a {
    transition: none;
  }
}