.page-disclaimer {
  --dis-accent: var(--lake);
  --dis-gap: clamp(20px, 3vw, 32px);
  padding-bottom: clamp(56px, 8vw, 110px);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5vw, 64px) 0 clamp(24px, 3.5vw, 44px);
}

.page-disclaimer .usage-hero::before {
  content: "";
  position: absolute;
  top: -140px;
  right: -12%;
  width: min(560px, 78vw);
  height: min(560px, 78vw);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 182, 196, 0.18), rgba(47, 182, 196, 0) 68%);
  pointer-events: none;
  z-index: 0;
}

.page-disclaimer .usage-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-disclaimer .usage-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--dis-gap);
}

.page-disclaimer .usage-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.2vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--frost);
}

.page-disclaimer .usage-hero__lead {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.8;
  color: var(--mist);
}

.page-disclaimer .usage-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-disclaimer .usage-hero__aside {
  padding: clamp(20px, 2.6vw, 28px);
  border-radius: var(--radius-lg);
}

.page-disclaimer .usage-hero__aside-label {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--lake);
}

.page-disclaimer .usage-hero__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-disclaimer .usage-hero__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.6;
  color: var(--frost);
}

.page-disclaimer .usage-hero__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-disclaimer .usage-hero__key {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- 章节头微调 ---------- */
.page-disclaimer .section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  max-width: 82ch;
  margin-bottom: clamp(26px, 3.4vw, 40px);
}

.page-disclaimer .section__num {
  font-family: var(--font-mono);
  color: var(--amber);
  letter-spacing: 0.04em;
}

.page-disclaimer .section__title {
  margin: 0;
}

.page-disclaimer .section__sub {
  flex: 1 1 100%;
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 说明牌 ---------- */
.page-disclaimer .plate {
  border-radius: var(--radius-lg);
}

.page-disclaimer .plate__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.1vw, 24px);
  line-height: 1.35;
  color: var(--frost);
}

.page-disclaimer .plate__text {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 设备步骤 ---------- */
.page-disclaimer .spec-panel {
  padding: clamp(22px, 3vw, 36px);
  border-radius: var(--radius-lg);
}

.page-disclaimer .spec-steps {
  list-style: none;
  counter-reset: spec;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-disclaimer .spec-steps li {
  counter-increment: spec;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 8px 16px;
  align-items: start;
}

.page-disclaimer .spec-steps li::before {
  content: "0" counter(spec);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.7;
  color: var(--lake);
  letter-spacing: 0.04em;
}

.page-disclaimer .spec-steps h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.55;
  color: var(--frost);
}

.page-disclaimer .spec-steps p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-disclaimer .spec-note {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-disclaimer .spec-note a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 182, 196, 0.45);
}

.page-disclaimer .spec-note a:hover,
.page-disclaimer .spec-note a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-disclaimer .spec-side {
  padding: clamp(22px, 3vw, 34px);
  border-radius: var(--radius-lg);
}

.page-disclaimer .spec-side__label {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-disclaimer .spec-side__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-disclaimer .spec-side__list li {
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-disclaimer .spec-side__list strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lake);
}

.page-disclaimer .spec-side__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 169, 59, 0.5);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-disclaimer .spec-side__link:hover,
.page-disclaimer .spec-side__link:focus-visible {
  color: var(--green);
  border-bottom-color: var(--green);
}

/* ---------- 状态对照 ---------- */
.page-disclaimer .status-figure {
  margin: 0 0 clamp(26px, 3.4vw, 42px);
}

.page-disclaimer .status-table {
  border-top: 1px solid var(--line);
}

.page-disclaimer .status-row {
  padding: 20px 18px;
  border-bottom: 1px solid var(--line);
  border-radius: var(--radius-md);
  outline: none;
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-disclaimer .status-row:hover,
.page-disclaimer .status-row:focus-within {
  background: var(--glass);
  box-shadow: inset 0 0 0 1px var(--line);
}

.page-disclaimer .status-row:focus-visible {
  box-shadow: inset 0 0 0 1px var(--lake);
}

.page-disclaimer .status-row--stable { --row-accent: var(--green); }
.page-disclaimer .status-row--watch { --row-accent: var(--orange); }
.page-disclaimer .status-row--maintenance { --row-accent: var(--amber); }
.page-disclaimer .status-row--update { --row-accent: var(--lake); }

.page-disclaimer .status-row__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
}

.page-disclaimer .status-row__dot {
  flex: 0 0 auto;
  position: relative;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--row-accent);
}

.page-disclaimer .status-row__dot::after {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid var(--row-accent);
  opacity: 0.32;
}

.page-disclaimer .status-row__action {
  flex: 1 1 280px;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--frost);
}

/* ---------- 展开区（悬停/聚焦展开，窄屏常显） ---------- */
.page-disclaimer .expand {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  margin-top: 0;
  transition: grid-template-rows 0.34s var(--ease), opacity 0.34s var(--ease), margin-top 0.34s var(--ease);
}

.page-disclaimer .expand > * {
  overflow: hidden;
  min-height: 0;
}

.page-disclaimer .status-row:hover .expand,
.page-disclaimer .status-row:focus-within .expand,
.page-disclaimer .avoid-card:hover .expand,
.page-disclaimer .avoid-card:focus-within .expand {
  grid-template-rows: 1fr;
  opacity: 1;
  margin-top: 14px;
}

.page-disclaimer .expand p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-disclaimer .status-row__tip {
  padding-left: 42px;
}

.page-disclaimer .status-row__tip p {
  max-width: 70ch;
  padding-left: 14px;
  border-left: 1px solid var(--line);
}

/* ---------- 不建议做的事 ---------- */
.page-disclaimer .avoid-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-disclaimer .avoid-card {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(16, 48, 63, 0.34);
  outline: none;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-disclaimer .avoid-card:hover,
.page-disclaimer .avoid-card:focus-within {
  border-color: var(--amber);
  background: rgba(16, 48, 63, 0.72);
}

.page-disclaimer .avoid-card:focus-visible {
  border-color: var(--lake);
}

.page-disclaimer .avoid-card__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-disclaimer .avoid-card__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.55;
  color: var(--frost);
}

/* ---------- 变更与通知 ---------- */
.page-disclaimer .change-panel {
  padding: clamp(22px, 3vw, 36px);
  border-radius: var(--radius-lg);
}

.page-disclaimer .change-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-disclaimer .change-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-disclaimer .change-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 9px;
  height: 1px;
  background: var(--lake);
}

.page-disclaimer .change-side {
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-disclaimer .change-side__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-disclaimer .change-side__num {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(46px, 6vw, 72px);
  line-height: 1;
  color: var(--amber);
}

.page-disclaimer .change-side__text {
  margin: 16px 0 22px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 下一步 ---------- */
.page-disclaimer .section--next {
  padding-bottom: 0;
}

.page-disclaimer .next-card {
  padding: clamp(26px, 4vw, 46px);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  background-image: radial-gradient(circle at 88% 12%, rgba(242, 169, 59, 0.16), rgba(242, 169, 59, 0) 58%);
}

.page-disclaimer .next-card__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.3;
  color: var(--frost);
}

.page-disclaimer .next-card p {
  max-width: 64ch;
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-disclaimer .next-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .usage-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: end;
  }
}

@media (min-width: 720px) {
  .page-disclaimer .avoid-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-disclaimer .avoid-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1023px) {
  .page-disclaimer .expand {
    grid-template-rows: 1fr;
    opacity: 1;
    margin-top: 14px;
  }
  .page-disclaimer .status-row__tip {
    padding-left: 28px;
  }
}

@media (max-width: 639px) {
  .page-disclaimer .status-row {
    padding: 18px 12px;
  }
  .page-disclaimer .status-row__tip {
    padding-left: 0;
  }
  .page-disclaimer .status-row__tip p {
    padding-left: 12px;
  }
  .page-disclaimer .spec-steps li {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 8px 12px;
  }
  .page-disclaimer .usage-hero__actions .btn,
  .page-disclaimer .next-card__actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .expand,
  .page-disclaimer .status-row,
  .page-disclaimer .avoid-card,
  .page-disclaimer .spec-side__link {
    transition: none;
  }
}