.page-disclaimer {
  --us-gap: clamp(20px, 3.4vw, 40px);
  --us-band: linear-gradient(96deg, rgba(18, 51, 43, .92) 0%, rgba(18, 51, 43, .55) 46%, rgba(11, 31, 26, 0) 100%);
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.8;
  padding-bottom: clamp(56px, 9vw, 108px);
  overflow-x: hidden;
}

.page-disclaimer [id] {
  scroll-margin-top: 104px;
}

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

/* ---------- 首屏 ---------- */
.page-disclaimer .us-masthead {
  padding-top: clamp(14px, 3vw, 30px);
  padding-bottom: clamp(24px, 4vw, 44px);
}

.page-disclaimer .us-masthead__grid {
  display: grid;
  gap: clamp(22px, 3.6vw, 42px);
  align-items: end;
}

.page-disclaimer .us-masthead__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(42px, 10vw, 96px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -.03em;
  color: var(--paper);
}

.page-disclaimer .us-masthead__lede {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: var(--step-16);
  line-height: 1.85;
  color: var(--text);
}

.page-disclaimer .us-masthead__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .us-masthead__meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  font-size: var(--step-12);
  letter-spacing: .08em;
  color: var(--text-muted);
}

.page-disclaimer .us-masthead__meta-item .num {
  color: var(--cyan);
  font-size: var(--step-14);
}

.page-disclaimer .us-masthead__figure {
  position: relative;
  margin: 0;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
}

.page-disclaimer .us-masthead__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1600 / 600;
  object-fit: cover;
  border-radius: 8px;
}

.page-disclaimer .us-masthead__caption {
  display: block;
  margin-top: 8px;
  padding-left: 2px;
  font-size: var(--step-12);
  letter-spacing: .12em;
  color: var(--text-muted);
}

/* ---------- 条款目录 ---------- */
.page-disclaimer .us-toc {
  margin-top: clamp(22px, 3.6vw, 40px);
  padding: clamp(16px, 3vw, 26px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius);
  background: var(--bg-alt);
}

.page-disclaimer .us-toc__title {
  margin: 0;
  font-size: var(--step-12);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-disclaimer .us-toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .us-toc__list li {
  min-width: 0;
}

.page-disclaimer .us-toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-pill);
  font-size: var(--step-14);
  color: var(--text);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-disclaimer .us-toc__link .num {
  font-size: var(--step-12);
  color: var(--data-blue);
}

.page-disclaimer .us-toc__link:hover,
.page-disclaimer .us-toc__link:focus-visible {
  border-color: var(--cyan);
  color: var(--paper);
  background: rgba(57, 242, 208, .1);
  outline: none;
}

/* ---------- 条款主体 ---------- */
.page-disclaimer .us-body {
  margin-top: clamp(20px, 3vw, 36px);
}

.page-disclaimer .us-clause {
  display: grid;
  gap: clamp(10px, 2vw, 22px);
  padding: clamp(26px, 4.4vw, 50px) 0;
  border-top: 1px solid var(--line);
}

.page-disclaimer .us-clause--band {
  margin-inline: calc(-1 * var(--gutter));
  padding-inline: var(--gutter);
  background: var(--us-band);
  border-top-color: var(--line-strong);
}

.page-disclaimer .us-clause__rail {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-disclaimer .us-clause__num {
  font-size: var(--step-20);
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-disclaimer .us-clause__tag {
  font-size: var(--step-12);
  letter-spacing: .22em;
  color: var(--text-muted);
}

.page-disclaimer .us-clause__body {
  min-width: 0;
  max-width: 68ch;
}

.page-disclaimer .us-clause__title {
  margin: 0 0 16px;
  padding-left: 14px;
  border-left: 3px solid var(--orange);
  font-family: var(--font-display);
  font-size: clamp(21px, 3.4vw, 31px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-disclaimer .us-clause__body p {
  margin: 0 0 15px;
  font-size: var(--step-16);
  line-height: 1.85;
  color: var(--text);
}

.page-disclaimer .us-clause__body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .us-clause__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 242, 208, .4);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .us-clause__body a:hover,
.page-disclaimer .us-clause__body a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
  outline: none;
}

/* 旁注 */
.page-disclaimer .us-note {
  margin: 20px 0;
  padding: 13px 16px;
  border-left: 4px solid var(--moss);
  border-radius: 4px;
  background: var(--cream);
  color: var(--text-dark);
  font-size: var(--step-14);
  line-height: 1.75;
}

.page-disclaimer .us-note strong {
  color: var(--text-dark);
  letter-spacing: .04em;
}

.page-disclaimer .us-note a {
  color: var(--ink-800);
  border-bottom-color: var(--ink-800);
}

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

/* 提示条 */
.page-disclaimer .us-alert {
  margin: 22px 0 0;
  padding: 14px 18px;
  border: 1px solid rgba(255, 107, 44, .45);
  border-left: 5px solid var(--orange);
  border-radius: 4px;
  background: linear-gradient(90deg, rgba(255, 107, 44, .16), rgba(255, 107, 44, 0) 78%);
  font-size: var(--step-14);
  line-height: 1.75;
  color: var(--text);
}

.page-disclaimer .us-alert__label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: var(--step-12);
  letter-spacing: .2em;
  color: var(--orange);
}

/* 更新步骤 */
.page-disclaimer .us-steps {
  display: grid;
  gap: 10px;
  margin: 20px 0 22px;
  padding: 0;
  list-style: none;
}

.page-disclaimer .us-steps__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(11, 31, 26, .55);
}

.page-disclaimer .us-steps__num {
  padding: 3px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  font-size: var(--step-14);
  letter-spacing: .04em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-disclaimer .us-steps__item p {
  margin: 0;
  font-size: var(--step-14);
  line-height: 1.75;
  color: var(--text);
}

/* 字段表 */
.page-disclaimer .us-fields {
  margin: 20px 0 22px;
  border-top: 1px solid var(--line-strong);
}

.page-disclaimer .us-fields__row {
  display: grid;
  gap: 3px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .us-fields dt {
  font-family: var(--font-mono);
  font-size: var(--step-14);
  letter-spacing: .08em;
  color: var(--data-blue);
}

.page-disclaimer .us-fields dd {
  margin: 0;
  font-size: var(--step-16);
  line-height: 1.75;
  color: var(--text);
}

/* 联系方式 */
.page-disclaimer .us-clause--contact .us-clause__title {
  border-left-color: var(--cyan);
}

.page-disclaimer .us-contact {
  display: grid;
  gap: 14px;
  margin-top: 20px;
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--ink-800);
}

.page-disclaimer .us-contact__row {
  display: grid;
  gap: 3px;
}

.page-disclaimer .us-contact__key {
  font-size: var(--step-12);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.page-disclaimer .us-contact__val {
  font-size: var(--step-16);
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-disclaimer .us-contact__val a {
  color: var(--cyan);
  border-bottom: 1px solid rgba(57, 242, 208, .4);
}

.page-disclaimer .us-contact__val a:hover,
.page-disclaimer .us-contact__val a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
  outline: none;
}

.page-disclaimer .us-contact__note {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-soft);
  font-size: var(--step-14);
  line-height: 1.75;
  color: var(--text-muted);
}

.page-disclaimer .us-contact__icp {
  margin: 0;
  font-size: var(--step-12);
  letter-spacing: .12em;
  color: var(--data-blue);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-disclaimer .us-clause {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: clamp(16px, 2.6vw, 34px);
  }

  .page-disclaimer .us-clause__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    position: sticky;
    top: 108px;
  }

  .page-disclaimer .us-fields__row {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-disclaimer .us-steps__item {
    gap: 16px;
    padding: 15px 18px;
  }

  .page-disclaimer .us-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 24px;
  }

  .page-disclaimer .us-contact__note,
  .page-disclaimer .us-contact__icp {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .us-masthead__grid {
    grid-template-columns: minmax(0, 5.2fr) minmax(0, 4.8fr);
  }

  .page-disclaimer .us-masthead__figure {
    align-self: start;
    margin-top: 6px;
  }

  .page-disclaimer .us-body {
    padding-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .us-toc__link,
  .page-disclaimer .us-clause__body a {
    transition: none;
  }
}

@media print {
  .page-disclaimer {
    background: #fff;
    color: #000;
  }

  .page-disclaimer .us-toc {
    display: none;
  }

  .page-disclaimer .us-clause--band {
    background: none;
  }

  .page-disclaimer .us-clause__title,
  .page-disclaimer .us-clause__body p,
  .page-disclaimer .us-fields dd,
  .page-disclaimer .us-contact__val {
    color: #000;
  }

  .page-disclaimer .us-clause {
    break-inside: avoid;
    border-top: 1px solid #999;
  }
}