.page-disclaimer {
  --pd-read: 660px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .pd-hero {
  padding-block: clamp(20px, 4vw, 40px) clamp(26px, 4vw, 44px);
}

.page-disclaimer .pd-hero__title {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 5.4vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: clamp(18px, 3vw, 30px) 0 clamp(16px, 2.5vw, 24px);
  max-width: 18ch;
}

.page-disclaimer .pd-hero__lede {
  font-family: var(--f-mono);
  font-size: clamp(0.9rem, 1.3vw, 1.02rem);
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.84);
  max-width: 68ch;
  margin: 0;
  overflow-wrap: anywhere;
}

/* ---------- 头部配图 ---------- */
.page-disclaimer .pd-figure {
  padding-block: 0 clamp(34px, 6vw, 68px);
}

.page-disclaimer .pd-media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-disclaimer .pd-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 阅读画布 ---------- */
.page-disclaimer .pd-reading-band {
  padding-block: clamp(44px, 7vw, 88px);
}

.page-disclaimer .pd-reading {
  display: grid;
  gap: clamp(46px, 7vw, 84px);
}

.page-disclaimer .pd-block {
  display: grid;
  gap: 22px;
}

@media (min-width: 1024px) {
  .page-disclaimer .pd-block {
    grid-template-columns: minmax(0, var(--pd-read)) minmax(0, 1fr);
    column-gap: clamp(30px, 5vw, 72px);
    align-items: start;
  }
}

.page-disclaimer .pd-block__num {
  display: block;
  color: var(--clay);
  letter-spacing: 0.14em;
  margin: 0 0 12px;
}

.page-disclaimer .pd-block__body h2 {
  font-family: var(--f-serif);
  font-weight: 700;
  font-size: clamp(1.32rem, 2.4vw, 1.82rem);
  line-height: 1.32;
  color: var(--night);
  margin: 0 0 16px;
}

.page-disclaimer .pd-block__body p {
  font-family: var(--f-mono);
  font-size: 0.94rem;
  line-height: 1.9;
  color: var(--night);
  margin: 0 0 14px;
  overflow-wrap: anywhere;
}

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

.page-disclaimer .pd-block__body a {
  color: var(--leaf);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 107, 36, 0.42);
  transition: border-color var(--t), color var(--t);
}

.page-disclaimer .pd-block__body a:hover,
.page-disclaimer .pd-block__body a:focus-visible {
  border-bottom-color: var(--kiwi);
  color: var(--night);
}

/* ---------- 引用格式样例 ---------- */
.page-disclaimer .pd-sample {
  margin: 22px 0 4px;
  border: 1px solid var(--rule);
  border-left: 3px solid var(--kiwi);
  border-radius: 4px var(--r-md) var(--r-md) 4px;
  background: rgba(109, 76, 65, 0.07);
  padding: 16px 18px 18px;
}

.page-disclaimer .pd-sample__label {
  font-family: var(--f-mono);
  font-size: 0.73rem;
  letter-spacing: 0.16em;
  color: var(--clay);
  margin: 0 0 10px;
}

.page-disclaimer .pd-sample__code {
  font-family: var(--f-mono);
  font-size: 0.86rem;
  line-height: 1.85;
  color: var(--night);
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* ---------- 手写批注气泡 ---------- */
.page-disclaimer .pd-note {
  position: relative;
  font-family: var(--f-hand);
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--clay);
  background: var(--paper-2);
  border: 1.5px solid var(--peel);
  border-radius: var(--r-md);
  padding: 16px 18px;
}

.page-disclaimer .pd-note p {
  margin: 0;
}

.page-disclaimer .pd-note p + p {
  margin-top: 10px;
}

.page-disclaimer .pd-note::before {
  content: none;
}

@media (min-width: 1024px) {
  .page-disclaimer .pd-note::before {
    content: "";
    position: absolute;
    left: -9px;
    top: 26px;
    width: 0;
    height: 0;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    border-right: 9px solid var(--peel);
  }
}

@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .page-disclaimer .pd-note {
      animation: pd-note-in linear both;
      animation-timeline: view();
      animation-range: entry 5% cover 32%;
    }
  }
}

@keyframes pd-note-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 三档状态折叠 ---------- */
.page-disclaimer .pd-status {
  margin-top: 10px;
}

.page-disclaimer .pd-status__item {
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.6);
  overflow: hidden;
  transition: border-color var(--t), background var(--t);
}

.page-disclaimer .pd-status__item + .pd-status__item {
  margin-top: 10px;
}

.page-disclaimer .fold__head {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 15px 16px;
  font-family: var(--f-mono);
  text-align: left;
  cursor: pointer;
  background: transparent;
  border: 0;
  color: var(--night);
  transition: background var(--t);
}

.page-disclaimer .fold__head:hover {
  background: rgba(139, 195, 74, 0.1);
}

.page-disclaimer .fold__head[aria-expanded="true"] {
  background: rgba(139, 195, 74, 0.16);
}

.page-disclaimer .fold__head:focus-visible {
  outline: 2px solid var(--leaf);
  outline-offset: -2px;
}

.page-disclaimer .pd-status__hint {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 0.79rem;
  line-height: 1.5;
  color: var(--clay);
}

.page-disclaimer .fold__body-inner {
  padding: 2px 16px 18px;
  font-family: var(--f-mono);
  font-size: 0.9rem;
  line-height: 1.88;
  color: var(--night);
  overflow-wrap: anywhere;
}

.page-disclaimer .fold__body-inner p {
  margin: 0;
}

/* ---------- 收束区 ---------- */
.page-disclaimer .pd-end {
  padding-block: clamp(40px, 6vw, 74px);
}

.page-disclaimer .pd-end h2 {
  font-family: var(--f-serif);
  font-size: clamp(1.36rem, 2.6vw, 1.95rem);
  line-height: 1.3;
  color: var(--white);
  margin: 0 0 14px;
}

.page-disclaimer .pd-end p {
  font-family: var(--f-mono);
  font-size: 0.92rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.84);
  max-width: 62ch;
  margin: 0 0 24px;
  overflow-wrap: anywhere;
}

.page-disclaimer .pd-end__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 520px) {
  .page-disclaimer .pd-status__hint {
    display: none;
  }

  .page-disclaimer .pd-sample {
    padding: 14px 14px 16px;
  }
}