.page-disclaimer {
  --ins-bleed: clamp(14px, 4vw, 44px);
  --ins-gap: clamp(14px, 2.2vw, 24px);
  display: block;
}

.page-disclaimer a:focus-visible,
.page-disclaimer summary:focus-visible {
  outline: 2px solid var(--fsa-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .ins-hero {
  position: relative;
  display: grid;
  gap: clamp(14px, 2.2vw, 20px);
  padding: clamp(24px, 4.6vw, 52px) 0 clamp(22px, 3.6vw, 38px);
}

.page-disclaimer .ins-hero::before {
  content: "";
  position: absolute;
  top: -28px;
  bottom: -8px;
  left: calc(-1 * var(--ins-bleed));
  right: calc(-1 * var(--ins-bleed));
  background:
    radial-gradient(58% 76% at 10% 4%, rgba(245, 165, 36, 0.2), transparent 66%),
    radial-gradient(52% 70% at 92% 12%, rgba(215, 227, 242, 0.14), transparent 68%);
  pointer-events: none;
}

.page-disclaimer .ins-hero > * {
  position: relative;
}

.page-disclaimer .ins-hero .fsa-kicker {
  color: var(--fsa-autumn);
}

.page-disclaimer .ins-hero__title {
  margin: 0;
  font-family: var(--fsa-font-display);
  font-size: clamp(30px, 7.2vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  max-width: 18ch;
}

.page-disclaimer .ins-hero__lede {
  margin: 0;
  max-width: 62ch;
  color: var(--fsa-muted);
}

.page-disclaimer .ins-stats {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--fsa-line);
  border: 1px solid var(--fsa-line);
  border-radius: var(--fsa-r);
  overflow: hidden;
}

.page-disclaimer .ins-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 14px 16px;
  background: var(--fsa-panel);
}

.page-disclaimer .ins-stat__num {
  font-family: var(--fsa-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(20px, 4.4vw, 28px);
  line-height: 1;
  color: var(--fsa-winter);
}

.page-disclaimer .ins-stat:first-child .ins-stat__num {
  color: var(--fsa-autumn);
}

.page-disclaimer .ins-stat__label {
  font-size: 13px;
  line-height: 1.55;
  color: var(--fsa-muted);
}

/* ---------- 通用区块内小问题 ---------- */
.page-disclaimer .fsa-section__head .fsa-text {
  max-width: 68ch;
  color: var(--fsa-muted);
}

/* ---------- 三步上手 ---------- */
.page-disclaimer .ins-flow {
  position: relative;
  margin: var(--ins-gap) 0;
  aspect-ratio: 5 / 2;
  border: 1px solid var(--fsa-line);
  border-radius: var(--fsa-r-lg);
  overflow: hidden;
}

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

.page-disclaimer .ins-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--ins-gap);
  counter-reset: none;
}

.page-disclaimer .ins-step {
  position: relative;
  padding: 20px 18px 18px;
  background: linear-gradient(168deg, rgba(16, 27, 45, 0.96), rgba(10, 18, 32, 0.94));
  border: 1px solid var(--fsa-line);
  border-radius: var(--fsa-r);
  transition: transform var(--fsa-t-fast), border-color var(--fsa-t-fast);
}

.page-disclaimer .ins-step:hover {
  transform: translateY(-2px);
  border-color: rgba(245, 165, 36, 0.55);
}

.page-disclaimer .ins-step__num {
  display: block;
  font-family: var(--fsa-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(34px, 8vw, 48px);
  line-height: 1;
  color: rgba(245, 165, 36, 0.22);
  -webkit-text-stroke: 1px var(--fsa-autumn);
  margin-bottom: 10px;
}

.page-disclaimer .ins-step__title {
  margin: 0 0 8px;
  font-size: 19px;
  line-height: 1.35;
  color: var(--fsa-text);
}

.page-disclaimer .ins-step__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--fsa-muted);
}

.page-disclaimer .ins-step details {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--fsa-line);
}

.page-disclaimer .ins-step summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--fsa-accent);
}

.page-disclaimer .ins-step summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .ins-step summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--fsa-font-mono);
  font-size: 15px;
}

.page-disclaimer .ins-step details[open] summary::after {
  content: "−";
}

.page-disclaimer .ins-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--fsa-muted);
}

.page-disclaimer .ins-list li {
  position: relative;
  padding-left: 16px;
}

.page-disclaimer .ins-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--fsa-autumn);
}

/* ---------- 对照视图读数 ---------- */
.page-disclaimer .ins-read {
  display: grid;
  gap: var(--ins-gap);
  margin-top: var(--ins-gap);
}

.page-disclaimer .ins-figure {
  margin: 0;
  padding: 18px 16px 14px;
  background: var(--fsa-panel);
  border: 1px solid var(--fsa-line);
  border-radius: var(--fsa-r-lg);
}

.page-disclaimer .ins-compare {
  display: block;
  width: 100%;
  height: auto;
}

.page-disclaimer .ins-compare__grid line {
  stroke: var(--fsa-line);
  stroke-width: 1;
}

.page-disclaimer .ins-compare__axis {
  stroke: rgba(215, 227, 242, 0.45);
  stroke-width: 1;
}

.page-disclaimer .ins-compare__bar {
  fill: rgba(215, 227, 242, 0.34);
}

.page-disclaimer .ins-compare__bar--hot {
  fill: var(--fsa-autumn);
}

.page-disclaimer .ins-compare__labels text {
  fill: var(--fsa-muted);
  font-family: var(--fsa-font-mono);
  font-size: 11px;
}

.page-disclaimer .ins-compare__ticks text {
  fill: var(--fsa-muted);
  font-family: var(--fsa-font-mono);
  font-size: 11px;
  text-anchor: middle;
}

.page-disclaimer .ins-figure__cap {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--fsa-muted);
}

.page-disclaimer .ins-metrics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--ins-gap);
}

.page-disclaimer .ins-metric {
  display: grid;
  gap: 6px;
  padding: 16px 16px 18px;
  background: rgba(16, 27, 45, 0.7);
  border: 1px solid var(--fsa-line);
  border-left: 3px solid var(--fsa-winter);
  border-radius: var(--fsa-r-sm);
}

.page-disclaimer .ins-metric__label {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--fsa-muted);
}

.page-disclaimer .ins-metric__num {
  font-family: var(--fsa-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(22px, 5vw, 30px);
  line-height: 1;
  color: var(--fsa-autumn);
}

.page-disclaimer .ins-metric__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--fsa-muted);
}

/* ---------- 补时三档 ---------- */
.page-disclaimer .ins-mins {
  list-style: none;
  margin: var(--ins-gap) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-disclaimer .ins-min {
  padding: 14px 16px 16px;
  background: rgba(16, 27, 45, 0.72);
  border: 1px solid var(--fsa-line);
  border-radius: var(--fsa-r);
  transition: transform var(--fsa-t-fast), border-color var(--fsa-t-fast), background-color var(--fsa-t-fast);
}

.page-disclaimer .ins-min:hover,
.page-disclaimer .ins-min:focus-within {
  transform: translateY(-2px);
  border-color: rgba(245, 165, 36, 0.6);
  background: rgba(16, 27, 45, 0.95);
}

.page-disclaimer .ins-min__head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-disclaimer .ins-min__range {
  font-family: var(--fsa-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 18px;
  color: var(--fsa-autumn);
}

.page-disclaimer .ins-min__bar {
  margin: 12px 0 10px;
  height: 8px;
  border-radius: 99px;
  background: rgba(34, 49, 74, 0.9);
  overflow: hidden;
}

.page-disclaimer .ins-min__fill {
  display: block;
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--fsa-autumn), var(--fsa-winter));
}

.page-disclaimer .ins-min__fill--w1 {
  width: 28%;
}

.page-disclaimer .ins-min__fill--w2 {
  width: 58%;
}

.page-disclaimer .ins-min__fill--w3 {
  width: 90%;
}

.page-disclaimer .ins-min__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fsa-muted);
}

/* ---------- 屏幕布局 ---------- */
.page-disclaimer .ins-layouts {
  display: grid;
  gap: var(--ins-gap);
  margin-top: var(--ins-gap);
}

.page-disclaimer .ins-layout__screen {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 8px;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--fsa-line);
  border-radius: var(--fsa-r-sm);
  background: linear-gradient(160deg, #0c1524, #0a1220);
}

.page-disclaimer .ins-layout__screen--split {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: repeat(2, minmax(0, 1fr));
}

.page-disclaimer .ins-layout__pane {
  border: 1px solid rgba(215, 227, 242, 0.28);
  border-radius: 6px;
  background: linear-gradient(150deg, rgba(47, 211, 233, 0.1), rgba(215, 227, 242, 0.04));
}

.page-disclaimer .ins-layout__screen--split .ins-layout__pane:nth-child(odd) {
  border-color: rgba(245, 165, 36, 0.45);
}

.page-disclaimer .ins-layout__cap {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--fsa-muted);
}

.page-disclaimer .ins-layout__cap strong {
  color: var(--fsa-winter);
}

.page-disclaimer .ins-tips {
  list-style: none;
  margin: var(--ins-gap) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .ins-tips li {
  position: relative;
  padding: 12px 14px 12px 34px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fsa-muted);
  border: 1px solid var(--fsa-line);
  border-radius: var(--fsa-r-sm);
  background: rgba(16, 27, 45, 0.55);
}

.page-disclaimer .ins-tips li::before {
  content: "✓";
  position: absolute;
  left: 12px;
  top: 12px;
  font-family: var(--fsa-font-mono);
  color: var(--fsa-autumn);
}

/* ---------- 更新节奏 ---------- */
.page-disclaimer .ins-timeline {
  list-style: none;
  margin: var(--ins-gap) 0 0;
  padding: 0;
  display: grid;
}

.page-disclaimer .ins-time {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--fsa-line);
}

.page-disclaimer .ins-time:last-child {
  border-bottom: 1px solid var(--fsa-line);
}

.page-disclaimer .ins-time__clock {
  font-family: var(--fsa-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 16px;
  color: var(--fsa-autumn);
}

.page-disclaimer .ins-time__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--fsa-muted);
}

/* ---------- 延伸入口 ---------- */
.page-disclaimer .ins-help {
  display: grid;
  gap: var(--ins-gap);
  margin-top: var(--ins-gap);
}

.page-disclaimer .ins-help__card {
  display: grid;
  gap: 8px;
  padding: 18px 16px 20px;
  text-decoration: none;
  color: inherit;
  background: var(--fsa-panel);
  border: 1px solid var(--fsa-line);
  border-radius: var(--fsa-r);
  transition: transform var(--fsa-t-fast), border-color var(--fsa-t-fast);
}

.page-disclaimer .ins-help__card:hover,
.page-disclaimer .ins-help__card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--fsa-accent);
}

.page-disclaimer .ins-help__tag {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--fsa-accent);
}

.page-disclaimer .ins-help__title {
  font-size: 17px;
  line-height: 1.45;
  color: var(--fsa-text);
}

.page-disclaimer .ins-help__text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--fsa-muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .ins-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-disclaimer .ins-time {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-disclaimer .ins-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .ins-layouts,
  .page-disclaimer .ins-help {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-disclaimer .ins-tips {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-disclaimer .ins-read {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-disclaimer .ins-metrics {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .ins-step,
  .page-disclaimer .ins-min,
  .page-disclaimer .ins-help__card {
    transition: none;
  }

  .page-disclaimer .ins-step:hover,
  .page-disclaimer .ins-min:hover,
  .page-disclaimer .ins-help__card:hover {
    transform: none;
  }
}