.page-disclaimer {
  --instr-rule: rgba(29, 53, 96, 0.9);
  position: relative;
  padding-bottom: clamp(48px, 9vw, 104px);
  background:
    radial-gradient(820px 400px at 84% -6%, rgba(51, 242, 227, 0.1), transparent 72%),
    radial-gradient(640px 340px at 0% 9%, rgba(255, 124, 51, 0.06), transparent 70%);
  overflow-x: clip;
}

.page-disclaimer .instr-crumb {
  padding-top: clamp(14px, 3vw, 26px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .instr-hero {
  padding: clamp(26px, 5vw, 54px) 0 clamp(26px, 4vw, 44px);
}

.page-disclaimer .instr-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  min-width: 0;
}

.page-disclaimer .instr-hero__copy {
  min-width: 0;
}

.page-disclaimer .instr-hero__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-disclaimer .instr-hero__title {
  margin: 14px 0 0;
  font-size: clamp(30px, 6.4vw, 60px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: 0.015em;
  color: var(--text);
}

.page-disclaimer .instr-hero__lead {
  margin: clamp(14px, 2.4vw, 22px) 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .instr-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--muted);
}

.page-disclaimer .instr-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 7px;
}

.page-disclaimer .instr-hero__facts .og-mono {
  font-size: 20px;
  font-weight: 700;
  color: var(--cyan);
}

.page-disclaimer .instr-hero__figure {
  margin: 0;
  min-width: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 80px -46px rgba(51, 242, 227, 0.5);
}

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

/* ---------- 目录 + 条目 ---------- */
.page-disclaimer .instr-layout {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  min-width: 0;
}

.page-disclaimer .instr-toc {
  min-width: 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, rgba(12, 23, 51, 0.92), rgba(5, 9, 26, 0.62));
}

.page-disclaimer .instr-toc__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-disclaimer .instr-toc__list {
  display: flex;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  max-width: 100%;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .instr-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-disclaimer .instr-toc__link:hover,
.page-disclaimer .instr-toc__link:focus-visible {
  color: var(--text);
  border-color: var(--cyan-deep);
  background: rgba(51, 242, 227, 0.07);
}

.page-disclaimer .instr-toc__num {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan-deep);
}

.page-disclaimer .instr-body {
  min-width: 0;
}

.page-disclaimer .instr-item {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0 clamp(14px, 2.6vw, 26px);
  padding: clamp(20px, 3.4vw, 32px) 0;
  border-top: 1px solid var(--instr-rule);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-disclaimer .instr-item:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-disclaimer .instr-item__num {
  margin: 0;
  padding-top: 3px;
  font-size: clamp(19px, 2.6vw, 26px);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan-deep);
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .instr-item:target .instr-item__num {
  color: var(--cyan);
}

.page-disclaimer .instr-item:target .instr-item__title {
  color: var(--cyan);
}

.page-disclaimer .instr-item__main {
  min-width: 0;
}

.page-disclaimer .instr-item__title {
  margin: 0 0 12px;
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text);
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .instr-item__key {
  margin: 0 0 10px;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  font-weight: 500;
  color: var(--text);
}

.page-disclaimer .instr-item__note {
  margin: 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .instr-item__list {
  display: grid;
  gap: 9px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  max-width: 64ch;
}

.page-disclaimer .instr-item__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-disclaimer .instr-item__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 8px;
  height: 1px;
  background: var(--cyan-deep);
}

.page-disclaimer .instr-item__list a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(51, 242, 227, 0.4);
}

.page-disclaimer .instr-item__list a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 更新节奏刻度带 ---------- */
.page-disclaimer .instr-meter {
  margin-top: 20px;
  padding: 16px clamp(14px, 2.2vw, 20px) 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(12, 23, 51, 0.94), rgba(5, 9, 26, 0.72));
}

.page-disclaimer .instr-meter__caption {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-disclaimer .instr-meter__track {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .instr-meter__tick {
  position: relative;
  flex: 1 1 118px;
  min-width: 0;
  padding-top: 14px;
  border-top: 2px solid var(--line);
}

.page-disclaimer .instr-meter__tick::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--void);
  border: 2px solid var(--cyan-deep);
}

.page-disclaimer .instr-meter__tick--done {
  border-top-color: var(--cyan);
}

.page-disclaimer .instr-meter__tick--done::before {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(51, 242, 227, 0.16);
}

.page-disclaimer .instr-meter__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--text);
}

.page-disclaimer .instr-meter__tick--done .instr-meter__label {
  color: var(--cyan);
}

.page-disclaimer .instr-meter__tip {
  display: block;
  margin-top: 5px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .instr-meter__tick:hover .instr-meter__tip {
  color: var(--orange);
}

/* ---------- 路径索引 ---------- */
.page-disclaimer .instr-paths {
  display: grid;
  gap: 1px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--line);
}

.page-disclaimer .instr-paths li {
  background: var(--void);
}

.page-disclaimer .instr-path {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
  padding: 14px 4px;
  text-decoration: none;
  transition: background-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-disclaimer .instr-path:hover,
.page-disclaimer .instr-path:focus-visible {
  background: rgba(51, 242, 227, 0.06);
  padding-left: 12px;
}

.page-disclaimer .instr-path__k {
  flex: 0 0 auto;
  min-width: 108px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.page-disclaimer .instr-path__v {
  flex: 1 1 200px;
  min-width: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .instr-paths {
    border-radius: var(--radius-sm);
    overflow: hidden;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .instr-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-disclaimer .instr-layout {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: clamp(36px, 4vw, 68px);
    align-items: start;
  }

  .page-disclaimer .instr-toc {
    position: sticky;
    top: calc(var(--header-h) + 22px);
    padding: 20px 16px;
  }

  .page-disclaimer .instr-toc__list {
    flex-direction: column;
    gap: 2px;
    padding: 0;
    overflow: visible;
  }

  .page-disclaimer .instr-toc__link {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 9px 10px;
    white-space: normal;
  }

  .page-disclaimer .instr-toc__link:hover,
  .page-disclaimer .instr-toc__link:focus-visible {
    border-left-color: var(--cyan);
    background: rgba(51, 242, 227, 0.06);
  }

  .page-disclaimer .instr-item {
    padding: clamp(24px, 3vw, 34px) 0;
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .instr-hero__lead {
    max-width: 48ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .instr-toc__link,
  .page-disclaimer .instr-item__num,
  .page-disclaimer .instr-item__title,
  .page-disclaimer .instr-meter__tip,
  .page-disclaimer .instr-path {
    transition: none;
  }
}