.page-disclaimer {
  --us-gap: clamp(20px, 4vw, 44px);
  --us-section-pad: clamp(32px, 6vw, 76px);
  display: block;
  background: var(--ink);
  color: var(--paper);
  overflow-x: clip;
  overflow-wrap: anywhere;
}

/* 首屏 */
.page-disclaimer .us-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 56px) 0 clamp(24px, 4vw, 44px);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .us-hero::before {
  content: "";
  position: absolute;
  right: -180px;
  top: -240px;
  width: 540px;
  height: 540px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 224, 180, 0.16), transparent 66%);
  pointer-events: none;
  z-index: 0;
}

.page-disclaimer .us-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.45;
  pointer-events: none;
  z-index: 0;
}

.page-disclaimer .us-hero > * {
  position: relative;
  z-index: 1;
}

.page-disclaimer .us-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--us-gap);
  align-items: end;
}

@media (min-width: 940px) {
  .page-disclaimer .us-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

.page-disclaimer .us-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: clamp(32px, 6vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.012em;
  color: var(--paper);
}

.page-disclaimer .us-hero__lead {
  margin-top: 16px;
  max-width: 640px;
}

.page-disclaimer .us-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-disclaimer .us-stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 14px 16px;
  background: var(--ink-deep);
}

.page-disclaimer .us-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1;
  color: var(--mint);
  letter-spacing: -0.01em;
}

.page-disclaimer .us-stat__key {
  font-size: 12px;
  line-height: 1.5;
  color: var(--mist);
  letter-spacing: 0.02em;
}

/* 页内索引 */
.page-disclaimer .us-jump {
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .us-jump__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .us-jump__link {
  display: inline-block;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .us-jump__link:hover,
.page-disclaimer .us-jump__link:focus-visible {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

.page-disclaimer .us-jump__link:focus-visible {
  outline: 1px solid var(--mint);
  outline-offset: 3px;
}

/* 章节 */
.page-disclaimer .us-section {
  padding: var(--us-section-pad) 0;
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-disclaimer .us-section:last-of-type {
  border-bottom: 0;
  padding-bottom: clamp(40px, 7vw, 96px);
}

.page-disclaimer .us-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-disclaimer .us-section__head .sf-h2 {
  margin: 0;
}

.page-disclaimer .us-section__num {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mint);
  padding-top: 8px;
  border-top: 2px solid var(--mint);
}

.page-disclaimer .us-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--us-gap);
}

@media (min-width: 940px) {
  .page-disclaimer .us-body--split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(28px, 5vw, 64px);
  }
}

.page-disclaimer .us-note {
  border-left: 1px solid var(--line);
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

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

.page-disclaimer .us-note__label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--warm);
}

/* 四步流程 */
.page-disclaimer .us-flow {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--line);
}

@media (min-width: 800px) {
  .page-disclaimer .us-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-disclaimer .us-flow__item {
  position: relative;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .us-flow__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  width: 26px;
  height: 2px;
  background: var(--mint);
}

.page-disclaimer .us-flow__item:last-child {
  border-bottom: 0;
}

@media (min-width: 800px) {
  .page-disclaimer .us-flow__item {
    padding: 24px 22px 26px;
    border-bottom: 0;
    border-right: 1px solid var(--line-soft);
  }

  .page-disclaimer .us-flow__item:first-child {
    padding-left: 0;
  }

  .page-disclaimer .us-flow__item:last-child {
    border-right: 0;
    padding-right: 0;
  }
}

.page-disclaimer .us-flow__idx {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--warm);
}

.page-disclaimer .us-flow__item .sf-h3 {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--paper);
}

.page-disclaimer .us-flow__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* 要点列表 */
.page-disclaimer .us-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-left: 2px solid var(--line);
}

.page-disclaimer .us-list li {
  padding: 12px 0 12px 18px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}

.page-disclaimer .us-list li:last-child {
  border-bottom: 0;
}

.page-disclaimer .us-list strong {
  color: var(--mint);
  font-weight: 600;
}

/* 配图 */
.page-disclaimer .us-figure {
  margin: clamp(24px, 4vw, 40px) 0 0;
}

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

/* 三类读者 */
.page-disclaimer .us-who {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: clamp(18px, 3vw, 28px);
  background: var(--line);
  border: 1px solid var(--line);
}

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

.page-disclaimer .us-who__cell {
  padding: 24px 20px 26px;
  background: var(--panel);
  transition: background var(--dur) var(--ease);
}

.page-disclaimer .us-who__cell:hover,
.page-disclaimer .us-who__cell:focus-within {
  background: var(--indigo);
}

.page-disclaimer .us-who__title {
  margin: 0 0 10px;
  font-family: var(--font-cond);
  font-size: 17px;
  line-height: 1.4;
  color: var(--paper);
}

.page-disclaimer .us-who__cell p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* 求助入口 */
.page-disclaimer .us-links {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-disclaimer .us-links__item {
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .us-links__a {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding: 16px 4px;
  color: var(--paper);
  text-decoration: none;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-disclaimer .us-links__a:hover,
.page-disclaimer .us-links__a:focus-visible {
  color: var(--mint);
  padding-left: 10px;
}

.page-disclaimer .us-links__a:focus-visible {
  outline: 1px solid var(--mint);
  outline-offset: -1px;
}

.page-disclaimer .us-links__k {
  flex: none;
  width: 96px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .us-links__a:hover .us-links__k,
.page-disclaimer .us-links__a:focus-visible .us-links__k {
  color: var(--warm);
}

.page-disclaimer .us-links__t {
  font-size: 15px;
  line-height: 1.7;
}

@media (max-width: 600px) {
  .page-disclaimer .us-stat {
    padding: 14px 10px;
  }

  .page-disclaimer .us-stat__num {
    font-size: 20px;
  }

  .page-disclaimer .us-stat__key {
    font-size: 11px;
  }

  .page-disclaimer .us-links__a {
    flex-direction: column;
    gap: 6px;
  }

  .page-disclaimer .us-links__k {
    width: auto;
    color: var(--warm);
  }

  .page-disclaimer .us-jump__list {
    gap: 6px 16px;
  }
}