.page-disclaimer {
  --doc-rule: rgba(58, 65, 73, .2);
  --doc-measure: 68ch;
  overflow-wrap: break-word;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .doc-hero {
  position: relative;
  overflow: hidden;
  background: var(--night);
  color: var(--paper);
  padding: clamp(22px, 4vw, 36px) 0 clamp(36px, 6vw, 72px);
}

.page-disclaimer .doc-hero__watermark {
  position: absolute;
  top: -0.22em;
  right: -0.03em;
  font-family: var(--font-mono);
  font-size: clamp(170px, 32vw, 400px);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.06em;
  color: rgba(245, 241, 232, .05);
  pointer-events: none;
  user-select: none;
}

.page-disclaimer .doc-hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-disclaimer .doc-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: .12em;
  color: rgba(245, 241, 232, .5);
  margin-bottom: clamp(26px, 6vw, 56px);
}

.page-disclaimer .doc-breadcrumb a {
  color: rgba(245, 241, 232, .78);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .doc-breadcrumb a:hover,
.page-disclaimer .doc-breadcrumb a:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

.page-disclaimer .doc-breadcrumb .breadcrumb__sep {
  color: rgba(245, 241, 232, .3);
}

.page-disclaimer .doc-hero__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-disclaimer .doc-hero__title {
  margin: .18em 0 0;
  font-family: var(--font-narrow), var(--font-sans);
  font-size: clamp(38px, 9vw, 86px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-disclaimer .doc-hero__lead {
  max-width: 44ch;
  margin: clamp(16px, 3vw, 26px) 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(245, 241, 232, .78);
}

.page-disclaimer .doc-hero__meta {
  display: inline-block;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 7px 14px;
  border: 1px dashed rgba(245, 241, 232, .3);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(245, 241, 232, .82);
}

.page-disclaimer .doc-hero__meta .num {
  color: var(--signal);
  font-weight: 700;
}

/* ---------- 头图 ---------- */
.page-disclaimer .doc-banner {
  margin: 0;
  background: var(--night);
  line-height: 0;
}

.page-disclaimer .doc-banner img {
  display: block;
  width: 100%;
  height: clamp(180px, 30vw, 400px);
  object-fit: cover;
  object-position: center 40%;
  max-width: 100%;
}

/* ---------- 正文窄栏 ---------- */
.page-disclaimer .doc-body {
  box-sizing: content-box;
  max-width: var(--doc-measure);
  margin-inline: auto;
  padding: clamp(36px, 6vw, 80px) var(--gutter) clamp(48px, 8vw, 96px);
}

.page-disclaimer .doc-item + .doc-item {
  margin-top: clamp(34px, 5vw, 54px);
  padding-top: clamp(34px, 5vw, 54px);
  background-image: repeating-linear-gradient(90deg, var(--doc-rule) 0 2px, transparent 2px 9px);
  background-repeat: no-repeat;
  background-size: 100% 1px;
  background-position: 0 0;
}

.page-disclaimer .doc-item__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 0 0 16px;
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.4;
  color: var(--graphite);
}

.page-disclaimer .doc-item__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--signal);
  text-decoration: none;
  border: 1px solid rgba(255, 107, 44, .5);
  border-radius: 2px;
  padding: 2px 7px;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .doc-item__num:hover,
.page-disclaimer .doc-item__num:focus-visible {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--night);
}

.page-disclaimer .doc-item__title {
  flex: 1 1 auto;
  min-width: 0;
}

.page-disclaimer .doc-item p {
  margin: 0 0 1em;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--slate);
}

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

.page-disclaimer .doc-item a {
  color: var(--grass);
  text-decoration: none;
  border-bottom: 1px solid rgba(24, 107, 74, .35);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .doc-item a:hover,
.page-disclaimer .doc-item a:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* ---------- 条目列表 ---------- */
.page-disclaimer .doc-list {
  list-style: none;
  margin: 18px 0 22px;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-disclaimer .doc-list li {
  position: relative;
  padding-left: 26px;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--slate);
}

.page-disclaimer .doc-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .78em;
  width: 11px;
  height: 2px;
  background: var(--moss);
}

.page-disclaimer .doc-list__n {
  font-weight: 700;
  color: var(--graphite);
}

.page-disclaimer .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 计算方式 ---------- */
.page-disclaimer .doc-formula {
  margin: 20px 0 24px;
  background: var(--white);
  border: 1px solid var(--line-strong);
  border-left: 4px solid var(--grass);
  border-radius: var(--radius-card);
}

.page-disclaimer .doc-formula__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  padding: 14px clamp(14px, 3vw, 22px);
}

.page-disclaimer .doc-formula__row + .doc-formula__row {
  border-top: 1px solid var(--line);
}

.page-disclaimer .doc-formula__name {
  flex: none;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--moss);
}

.page-disclaimer .doc-formula__eq {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .01em;
  color: var(--graphite);
}

/* ---------- 来源位置示意 ---------- */
.page-disclaimer .doc-map {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  margin: 22px 0 24px;
  padding: clamp(14px, 3vw, 22px);
  background: var(--paper);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-card);
}

.page-disclaimer .doc-map__field {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 10px 12px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 2px;
}

.page-disclaimer .doc-map__k {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--moss);
}

.page-disclaimer .doc-map__v {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--graphite);
  word-break: break-word;
}

/* ---------- 引用写法 ---------- */
.page-disclaimer .doc-quote {
  margin: 22px 0 24px;
  padding: clamp(16px, 3vw, 22px) clamp(18px, 4vw, 26px);
  background: var(--night);
  border-left: 4px solid var(--signal);
  border-radius: var(--radius-card);
}

.page-disclaimer .doc-quote p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(245, 241, 232, .92);
}

.page-disclaimer .doc-quote p + p {
  margin-top: 10px;
  color: rgba(245, 241, 232, .74);
}

/* ---------- 页尾句 ---------- */
.page-disclaimer .doc-tail {
  margin-top: clamp(40px, 6vw, 64px);
  padding-top: clamp(24px, 4vw, 36px);
  border-top: 2px solid var(--graphite);
}

.page-disclaimer .doc-tail p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--moss);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 760px) {
  .page-disclaimer .doc-map {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .page-disclaimer .doc-map__field {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    align-items: start;
  }

  .page-disclaimer .doc-banner img {
    object-position: center 45%;
  }

  .page-disclaimer .doc-hero__lead {
    font-size: 1.08rem;
  }
}

@media (min-width: 1100px) {
  .page-disclaimer .doc-body {
    padding-inline: 0;
  }
}

/* ---------- 无障碍与动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer [data-reveal],
  .page-disclaimer .doc-item__num,
  .page-disclaimer .doc-item a {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}