.page-disclaimer {
  --disc-body: rgba(232, 241, 238, .86);
  --disc-index-w: 248px;
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-hero {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding-top: clamp(28px, 4.5vw, 52px);
  padding-bottom: clamp(34px, 5vw, 62px);
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .disc-hero__text {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.page-disclaimer .disc-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(30px, 4.6vw, 52px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--fg);
}

.page-disclaimer .disc-hero__lede {
  margin: 18px 0 0;
  max-width: 52ch;
  font-size: clamp(16px, 1.15vw, 18px);
  line-height: 1.78;
  color: var(--disc-body);
}

.page-disclaimer .disc-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 34px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-hero__fact {
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.page-disclaimer .disc-hero__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 2.4vw, 32px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-disclaimer .disc-hero__unit {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--fg-dim);
}

.page-disclaimer .disc-hero__figure {
  position: relative;
  z-index: 1;
  margin: 0;
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  clip-path: polygon(0 5%, 100% 0, 100% 95%, 0 100%);
  overflow: hidden;
}

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

@media (min-width: 860px) {
  .page-disclaimer .disc-hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: center;
  }
}

/* ---------- 双栏说明牌 ---------- */
.page-disclaimer .disc-body {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  padding-top: clamp(36px, 5vw, 64px);
}

@media (min-width: 900px) {
  .page-disclaimer .disc-body {
    grid-template-columns: var(--disc-index-w) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
  }
}

.page-disclaimer .disc-index {
  min-width: 0;
}

.page-disclaimer .disc-index__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--fg-dim);
}

.page-disclaimer .disc-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-disclaimer .disc-index__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--fg-dim);
  font-size: 15px;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .disc-index__link:hover,
.page-disclaimer .disc-index__link:focus-visible {
  color: var(--fg);
}

.page-disclaimer .disc-index__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

@media (min-width: 900px) {
  .page-disclaimer .disc-index {
    position: sticky;
    top: 92px;
    align-self: start;
  }
}

/* ---------- 说明条目 ---------- */
.page-disclaimer .disc-entries {
  min-width: 0;
}

.page-disclaimer .disc-entry {
  position: relative;
  padding: clamp(22px, 3vw, 34px) 0 clamp(22px, 3vw, 34px) clamp(16px, 2.2vw, 26px);
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 96px;
}

.page-disclaimer .disc-entry:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .disc-entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(26px, 3.4vw, 38px);
  width: 2px;
  height: 0;
  background: var(--orange);
  transition: height 200ms var(--ease);
}

.page-disclaimer .disc-entry:hover::before,
.page-disclaimer .disc-entry:focus-within::before {
  height: clamp(26px, 3.6vw, 40px);
}

.page-disclaimer .disc-entry__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
}

.page-disclaimer .disc-entry__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-disclaimer .disc-entry__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(21px, 2.2vw, 28px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--fg);
}

.page-disclaimer .disc-entry__body {
  margin-top: 14px;
  max-width: 68ch;
}

.page-disclaimer .disc-entry__body p {
  margin: 0 0 14px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--disc-body);
}

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

.page-disclaimer .disc-entry__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 200, .42);
  transition: border-color var(--dur) var(--ease);
}

.page-disclaimer .disc-entry__body a:hover,
.page-disclaimer .disc-entry__body a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-disclaimer .disc-points {
  display: grid;
  gap: 9px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-points li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.72;
  color: var(--disc-body);
}

.page-disclaimer .disc-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 引用写法面板 ---------- */
.page-disclaimer .disc-sample {
  margin: 0 0 16px;
  padding: clamp(16px, 2.2vw, 22px) clamp(16px, 2.2vw, 24px);
  background: #E8F1EE;
  border-left: 3px solid var(--orange);
  border-radius: var(--radius);
}

.page-disclaimer .disc-sample__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: #2E4A43;
}

.page-disclaimer .disc-sample__code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.1vw, 14.5px);
  line-height: 1.78;
  color: #0B1F1A;
  word-break: break-word;
}

.page-disclaimer .disc-sample__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: #2E4A43;
}

/* ---------- 版本对照 ---------- */
.page-disclaimer .disc-versions {
  margin: 0 0 16px;
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .disc-versions__row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .disc-versions dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-disclaimer .disc-versions dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--disc-body);
}

/* ---------- 收束条 ---------- */
.page-disclaimer .disc-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 26px;
  margin-top: clamp(40px, 6vw, 76px);
  padding-top: clamp(18px, 2.6vw, 26px);
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-dim);
}

.page-disclaimer .disc-foot__item {
  margin: 0;
  letter-spacing: .04em;
  word-break: break-word;
}

.page-disclaimer .disc-foot__key {
  margin-right: 8px;
  color: var(--cyan);
}

@media (max-width: 560px) {
  .page-disclaimer .disc-versions__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-disclaimer .disc-foot {
    flex-direction: column;
    gap: 8px;
  }
}