.page-disclaimer {
  --disc-line: rgba(143, 163, 181, .2);
  --disc-gold-line: rgba(216, 169, 59, .42);
  position: relative;
  padding-bottom: 24px;
}

.page-disclaimer .usage-crumb-wrap {
  padding-top: 26px;
  padding-bottom: 4px;
}

/* ---------- 首屏框景 ---------- */

.page-disclaimer .usage-hero {
  padding-block: 30px 60px;
}

.page-disclaimer .usage-hero__frame {
  position: relative;
  overflow: hidden;
  padding: 40px 22px 34px;
  border: 1px solid var(--disc-gold-line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 140% at 10% 0%, rgba(216, 169, 59, .1), transparent 58%),
    linear-gradient(158deg, #16304a 0%, #0e2135 46%, #0B1B2B 100%);
}

.page-disclaimer .usage-hero__frame .mono-label {
  margin-bottom: 20px;
  color: var(--gold);
}

.page-disclaimer .usage-hero__frame h1 {
  margin: 0 0 22px;
  max-width: 17em;
  font-size: clamp(30px, 7.4vw, 56px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-disclaimer .usage-hero__lede {
  max-width: 60ch;
  margin: 0 0 30px;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-disclaimer .usage-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  margin: 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid var(--disc-line);
}

.page-disclaimer .usage-hero__chips li {
  position: relative;
  padding-left: 15px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--gold-lite);
}

.page-disclaimer .usage-hero__chips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 6px;
  height: 1px;
  background: var(--gold);
}

/* ---------- 章节公共头部 ---------- */

.page-disclaimer .usage-head {
  max-width: 68ch;
  margin-bottom: 40px;
}

.page-disclaimer .usage-head .mono-label {
  margin-bottom: 14px;
  color: var(--gold);
}

.page-disclaimer .usage-head .section-title {
  margin: 0 0 16px;
  font-size: clamp(24px, 4.4vw, 38px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -.015em;
  color: var(--white);
}

.page-disclaimer .usage-head__note {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 一 · 三条赛事线 ---------- */

.page-disclaimer .usage-lines {
  padding-block: 20px 68px;
}

.page-disclaimer .usage-lines__list {
  display: grid;
  gap: 16px;
}

.page-disclaimer .line-row {
  display: grid;
  gap: 14px;
  padding: 26px 22px;
  border: 1px solid var(--disc-line);
  border-left: 3px solid var(--gold);
  border-radius: var(--r-md);
  background: linear-gradient(120deg, rgba(19, 43, 65, .74), rgba(11, 27, 43, .5));
}

.page-disclaimer .line-row:nth-child(2) {
  border-left-color: var(--yellow);
}

.page-disclaimer .line-row:nth-child(3) {
  border-left-color: var(--magenta);
}

.page-disclaimer .line-row__side {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-disclaimer .line-row__meta {
  margin: 0;
  color: var(--muted);
}

.page-disclaimer .line-row__body h3 {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.42;
  color: var(--white);
}

.page-disclaimer .line-row__body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 二 · 指标定义 ---------- */

.page-disclaimer .usage-metrics {
  padding-block: 0 68px;
}

.page-disclaimer .usage-metrics__grid {
  display: grid;
  gap: 32px;
}

.page-disclaimer .metric-list {
  display: grid;
  margin: 0;
  border-top: 1px solid var(--disc-line);
}

.page-disclaimer .metric-item {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--disc-line);
}

.page-disclaimer .metric-item dt {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .08em;
  color: var(--gold-lite);
}

.page-disclaimer .metric-item dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-disclaimer .usage-metrics__figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--r-md);
  border: 1px solid var(--disc-line);
}

.page-disclaimer .usage-metrics__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.72) contrast(1.04);
}

.page-disclaimer .usage-metrics__figure .media-frame__caption {
  padding: 12px 16px 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  background: rgba(11, 27, 43, .6);
}

/* ---------- 三 · 引用方式 ---------- */

.page-disclaimer .usage-cite {
  padding-block: 0 68px;
}

.page-disclaimer .cite-grid {
  display: grid;
  gap: 16px;
}

.page-disclaimer .cite-card {
  padding: 26px 22px 28px;
  border: 1px solid var(--disc-line);
  border-top: 2px solid var(--gold);
  border-radius: var(--r-md);
  background: rgba(19, 43, 65, .5);
}

.page-disclaimer .cite-card:nth-child(2) {
  border-top-color: var(--yellow);
}

.page-disclaimer .cite-card:nth-child(3) {
  border-top-color: var(--magenta);
}

.page-disclaimer .cite-card .mono-label {
  margin-bottom: 12px;
  color: var(--muted);
}

.page-disclaimer .cite-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.42;
  color: var(--white);
}

.page-disclaimer .cite-card > p:last-child {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 四 · 数据出入 ---------- */

.page-disclaimer .usage-disagree {
  padding-block: 0 68px;
}

.page-disclaimer .disagree-panel {
  display: grid;
  gap: 30px;
  padding: 36px 22px;
  border: 1px solid var(--disc-line);
  border-radius: var(--r-lg);
  background: linear-gradient(140deg, rgba(29, 58, 82, .86), rgba(11, 27, 43, .92));
}

.page-disclaimer .disagree-panel__intro .mono-label {
  margin-bottom: 14px;
  color: var(--yellow);
}

.page-disclaimer .disagree-panel__intro .section-title {
  margin: 0 0 16px;
  font-size: clamp(23px, 4.2vw, 34px);
  font-weight: 800;
  line-height: 1.26;
  letter-spacing: -.015em;
  color: var(--white);
}

.page-disclaimer .disagree-panel__intro > p:last-child {
  max-width: 60ch;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-disclaimer .disagree-steps {
  display: grid;
  gap: 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disagree-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 16px;
  row-gap: 8px;
  padding-top: 20px;
  border-top: 1px solid var(--disc-line);
}

.page-disclaimer .disagree-steps__num {
  grid-column: 1;
  grid-row: 1;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-disclaimer .disagree-steps li h3 {
  grid-column: 2;
  grid-row: 1;
  align-self: center;
  margin: 0;
  font-size: 17.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--white);
}

.page-disclaimer .disagree-steps li p {
  grid-column: 1 / -1;
  grid-row: 2;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 五 · 咨询 ---------- */

.page-disclaimer .usage-reach {
  padding-block: 0 40px;
}

.page-disclaimer .reach-panel {
  display: grid;
  gap: 28px;
  padding: 34px 22px;
  border: 1px solid var(--disc-gold-line);
  border-radius: var(--r-lg);
  background:
    linear-gradient(160deg, rgba(216, 169, 59, .11), transparent 46%),
    rgba(19, 43, 65, .6);
}

.page-disclaimer .reach-panel__intro {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-disclaimer .reach-panel__intro > * {
  margin: 0;
}

.page-disclaimer .reach-panel__intro .mono-label {
  color: var(--gold);
}

.page-disclaimer .reach-panel__intro .section-title {
  font-size: clamp(23px, 4.2vw, 34px);
  font-weight: 800;
  line-height: 1.26;
  letter-spacing: -.015em;
  color: var(--white);
}

.page-disclaimer .reach-panel__intro > p:last-of-type {
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-disclaimer .reach-panel__intro a {
  color: var(--gold-lite);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .reach-panel__intro .btn {
  justify-self: start;
}

.page-disclaimer .reach-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .reach-list li {
  display: grid;
  gap: 5px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--disc-line);
}

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

.page-disclaimer .reach-list .mono-label {
  margin: 0;
  color: var(--muted);
}

.page-disclaimer .reach-list li > span:last-child {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--white);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-disclaimer .usage-hero__frame {
    padding: 48px 40px 40px;
  }

  .page-disclaimer .line-row {
    grid-template-columns: 132px minmax(0, 1fr);
    column-gap: 26px;
    align-items: start;
    padding: 30px 28px;
  }

  .page-disclaimer .line-row__side {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

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

  .page-disclaimer .disagree-panel {
    padding: 44px 40px;
  }

  .page-disclaimer .reach-panel {
    padding: 44px 40px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer {
    padding-bottom: 40px;
  }

  .page-disclaimer .usage-hero {
    padding-block: 42px 82px;
  }

  .page-disclaimer .usage-hero__frame {
    padding: 60px 56px 52px;
  }

  .page-disclaimer .usage-lines {
    padding-block: 24px 92px;
  }

  .page-disclaimer .usage-metrics {
    padding-block: 0 92px;
  }

  .page-disclaimer .usage-cite {
    padding-block: 0 92px;
  }

  .page-disclaimer .usage-disagree {
    padding-block: 0 92px;
  }

  .page-disclaimer .usage-metrics__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-disclaimer .usage-metrics__figure {
    position: sticky;
    top: 108px;
  }

  .page-disclaimer .cite-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .disagree-panel {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: 48px;
    padding: 56px 48px;
  }

  .page-disclaimer .reach-panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, .85fr);
    gap: 48px;
    align-items: start;
    padding: 52px 48px;
  }
}
<<<END>>>