.page-disclaimer {
  overflow-x: clip;
}

.page-disclaimer :focus-visible {
  outline: 2px solid var(--al-gold);
  outline-offset: 3px;
}

/* ---------- 首屏：斜切色块 ---------- */
.page-disclaimer .pd-hero {
  position: relative;
  isolation: isolate;
  background:
    radial-gradient(120% 100% at 6% 0%, rgba(139, 92, 246, 0.42), transparent 58%),
    radial-gradient(90% 80% at 100% 100%, rgba(34, 211, 238, 0.16), transparent 62%),
    linear-gradient(165deg, var(--al-ink-2), var(--al-ink) 72%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - clamp(34px, 6vw, 70px)), 0 100%);
  padding-block: clamp(1.4rem, 3.5vw, 2.2rem) calc(clamp(34px, 6vw, 70px) + clamp(1.8rem, 5vw, 3rem));
  overflow: hidden;
}

.page-disclaimer .pd-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--al-scan-line);
  opacity: 0.55;
  pointer-events: none;
}

.page-disclaimer .pd-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.2rem, 4vw, 2.4rem);
}

.page-disclaimer .pd-kicker {
  margin: 1rem 0 0.7rem;
  font-family: var(--al-font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--al-cyan);
}

.page-disclaimer .pd-hero__title {
  margin: 0 0 0.9rem;
  font-family: var(--al-font-head);
  font-size: var(--al-h1);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--al-text);
  text-shadow: 3px 3px 0 rgba(139, 92, 246, 0.45);
}

.page-disclaimer .pd-hero__lead {
  margin: 0 0 1.4rem;
  max-width: 46ch;
  font-size: clamp(1rem, 1.6vw, 1.08rem);
  line-height: 1.8;
  color: rgba(231, 226, 243, 0.8);
}

.page-disclaimer .pd-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1rem;
  align-items: center;
}

.page-disclaimer .pd-version {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem 0.85rem;
  font-family: var(--al-font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--al-gold);
  text-decoration: none;
  background: rgba(255, 201, 74, 0.1);
  border: 1px solid rgba(255, 201, 74, 0.42);
  transition: background 0.24s var(--al-ease), border-color 0.24s var(--al-ease);
}

.page-disclaimer .pd-version:hover,
.page-disclaimer .pd-version:focus-visible {
  background: rgba(255, 201, 74, 0.2);
  border-color: var(--al-gold);
}

.page-disclaimer .pd-version__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--al-gold);
  box-shadow: 0 0 10px rgba(255, 201, 74, 0.9);
  animation: pd-pulse 2.4s ease-in-out infinite;
}

@keyframes pd-pulse {
  0%, 100% { opacity: 0.45; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1); }
}

.page-disclaimer .pd-hero__fig {
  margin: 0;
  aspect-ratio: 11 / 6;
}

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

/* ---------- 五条约定 ---------- */
.page-disclaimer .pd-rules {
  background: var(--al-ink);
}

.page-disclaimer .pd-rules__head {
  display: grid;
  gap: 1rem;
  margin-bottom: clamp(1.4rem, 4vw, 2.2rem);
}

.page-disclaimer .pd-rules__title {
  margin: 0;
  font-family: var(--al-font-head);
  font-size: var(--al-h2);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--al-text);
  text-shadow: 2px 2px 0 rgba(139, 92, 246, 0.4);
}

.page-disclaimer .pd-index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.35rem;
}

.page-disclaimer .al-index__item {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.7rem;
  font-family: var(--al-font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--al-muted);
  text-decoration: none;
  background: rgba(23, 18, 43, 0.72);
  border: 1px solid var(--al-line);
  transition: color 0.24s var(--al-ease), border-color 0.24s var(--al-ease), background 0.24s var(--al-ease);
}

.page-disclaimer .al-index__item:hover {
  color: var(--al-cyan);
  border-color: var(--al-line-strong);
}

.page-disclaimer .al-index__item[data-active] {
  color: var(--al-cyan);
  border-color: var(--al-cyan);
  background: rgba(34, 211, 238, 0.12);
}

.page-disclaimer .pd-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--al-line);
}

.page-disclaimer .pd-item {
  position: relative;
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.4rem 0.9rem;
  padding-block: clamp(1.3rem, 4vw, 2rem);
}

.page-disclaimer .pd-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--al-violet), var(--al-cyan) 42%, transparent 92%);
  opacity: 0.3;
}

.page-disclaimer .pd-item__num {
  margin: 0;
  padding-top: 0.28rem;
  font-family: var(--al-font-mono);
  font-size: clamp(1rem, 2.2vw, 1.3rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
  color: var(--al-muted);
  transition: color 0.3s var(--al-ease), text-shadow 0.3s var(--al-ease);
}

.page-disclaimer .pd-item[data-active] .pd-item__num {
  color: var(--al-cyan);
  text-shadow: 0 0 14px rgba(34, 211, 238, 0.5);
}

.page-disclaimer .pd-item__title {
  margin: 0 0 0.6rem;
  font-size: clamp(1.08rem, 2.2vw, 1.32rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.45;
  color: var(--al-text);
}

.page-disclaimer .pd-item__body p {
  margin: 0 0 0.7rem;
  max-width: 66ch;
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(231, 226, 243, 0.82);
}

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

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

.page-disclaimer .pd-item__body a:hover {
  color: var(--al-gold);
}

/* ---------- 限定词下划波浪与解释气泡 ---------- */
.page-disclaimer .pd-key {
  color: var(--al-gold);
  text-decoration: underline wavy rgba(255, 201, 74, 0.75);
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.page-disclaimer .pd-note {
  display: inline-block;
  position: relative;
}

.page-disclaimer .pd-note > summary {
  display: inline;
  cursor: pointer;
  list-style: none;
  color: var(--al-gold);
  text-decoration: underline wavy rgba(255, 201, 74, 0.7);
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.page-disclaimer .pd-note > summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .pd-note[open] > summary {
  color: var(--al-cyan);
  text-decoration-color: rgba(34, 211, 238, 0.7);
}

.page-disclaimer .pd-note__tip {
  display: block;
  position: absolute;
  left: 0;
  top: calc(100% + 0.5rem);
  width: min(290px, 74vw);
  z-index: 6;
  padding: 0.7rem 0.85rem;
  font-size: 0.86rem;
  line-height: 1.62;
  color: rgba(231, 226, 243, 0.92);
  background: var(--al-ink-2);
  border: 1px solid var(--al-line-strong);
  border-left: 3px solid var(--al-cyan);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.55);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

/* ---------- 页尾像素方块 ---------- */
.page-disclaimer .pd-sign {
  position: relative;
  padding-block: clamp(2rem, 6vw, 3.4rem);
  background: linear-gradient(180deg, transparent, rgba(23, 18, 43, 0.85));
}

.page-disclaimer .pd-sign__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.4rem;
}

.page-disclaimer .pd-sign__blocks {
  display: grid;
  grid-template-columns: repeat(5, 9px);
  grid-auto-rows: 9px;
  gap: 3px;
  flex: none;
}

.page-disclaimer .pd-sign__blocks > span {
  display: block;
  background: var(--al-violet);
}

.page-disclaimer .pd-sign__blocks > span:nth-child(5n + 2) { background: var(--al-cyan); }
.page-disclaimer .pd-sign__blocks > span:nth-child(5n + 3) { background: rgba(139, 92, 246, 0.25); }
.page-disclaimer .pd-sign__blocks > span:nth-child(5n + 4) { background: var(--al-gold); }
.page-disclaimer .pd-sign__blocks > span:nth-child(5n + 5) { background: var(--al-magenta); }

.page-disclaimer .pd-sign__text {
  margin: 0;
  max-width: 58ch;
  font-size: 0.95rem;
  line-height: 1.78;
  color: rgba(231, 226, 243, 0.78);
}

.page-disclaimer .pd-sign__text a {
  color: var(--al-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .pd-sign__text a:hover {
  color: var(--al-gold);
}

/* ---------- 断点 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .pd-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
    gap: 2.6rem;
  }

  .page-disclaimer .pd-rules__head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
    align-items: end;
    gap: 1.6rem;
  }

  .page-disclaimer .pd-index {
    justify-content: flex-end;
  }

  .page-disclaimer .pd-item {
    grid-template-columns: 4rem minmax(0, 1fr);
    gap: 0.6rem 1.6rem;
  }
}

@media (max-width: 640px) {
  .page-disclaimer .pd-note__tip {
    position: static;
    width: auto;
    margin-top: 0.55rem;
  }

  .page-disclaimer .pd-item {
    grid-template-columns: 2rem minmax(0, 1fr);
    gap: 0.35rem 0.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .pd-version__dot {
    animation: none;
    opacity: 1;
    transform: none;
  }
}