.page-disclaimer {
  background: var(--night);
  color: var(--paper);
  padding-bottom: clamp(40px, 6vw, 88px);
}

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

.page-disclaimer .usage-crumb {
  padding-top: clamp(16px, 2vw, 24px);
}

.page-disclaimer .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: var(--step-1);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-disclaimer .breadcrumb li + li::before {
  content: "／";
  margin-right: 8px;
  color: rgba(201, 162, 39, 0.6);
}

.page-disclaimer .breadcrumb a {
  color: var(--gold-lt);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-disclaimer .breadcrumb a:hover,
.page-disclaimer .breadcrumb a:focus-visible {
  border-bottom-color: var(--gold);
}

/* 首屏 */
.page-disclaimer .usage-hero {
  padding-block: clamp(20px, 3vw, 40px) clamp(28px, 4.5vw, 64px);
}

.page-disclaimer .usage-hero__grid {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
}

.page-disclaimer .usage-hero__lead {
  min-width: 0;
}

.page-disclaimer .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: 0.16em;
  color: var(--gold-lt);
}

.page-disclaimer .usage-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7.2vw, 84px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-disclaimer .usage-hero__lead .lede {
  max-width: 46ch;
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  font-size: var(--step-3);
  line-height: 1.75;
  color: rgba(244, 235, 217, 0.82);
}

.page-disclaimer .usage-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  padding: 0;
  list-style: none;
  font-size: var(--step-2);
  color: var(--mist);
}

.page-disclaimer .usage-hero__meta .mono {
  font-size: var(--step-3);
  color: var(--gold-lt);
  margin-right: 4px;
}

.page-disclaimer .usage-hero__figure {
  margin: 0;
  border: 1px solid var(--line-gold);
  border-radius: 4px;
  overflow: hidden;
  background: var(--night-2);
}

.page-disclaimer .usage-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 主体：正文 + 索引 */
.page-disclaimer .usage-body {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}

.page-disclaimer .usage-index {
  order: -1;
  border: 1px solid var(--line-gold);
  background: var(--night-2);
  border-radius: 4px;
  padding: 14px 16px 16px;
}

.page-disclaimer .usage-index__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: 0.14em;
  color: var(--gold-lt);
}

.page-disclaimer .usage-index ol {
  display: flex;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .usage-index li {
  flex: 0 0 auto;
}

.page-disclaimer .usage-index a {
  display: block;
  padding: 8px 10px;
  border: 1px solid rgba(201, 162, 39, 0.28);
  border-radius: 3px;
  font-size: var(--step-2);
  line-height: 1.3;
  color: var(--paper);
  text-decoration: none;
  white-space: nowrap;
}

.page-disclaimer .usage-index a .mono {
  color: var(--gold);
  margin-right: 6px;
}

.page-disclaimer .usage-index a:hover,
.page-disclaimer .usage-index a:focus-visible {
  border-color: var(--gold);
  color: var(--gold-lt);
}

/* 奶油纸正文面板 */
.page-disclaimer .usage-main {
  min-width: 0;
  background: var(--paper);
  color: var(--ink);
  border-radius: 4px;
  border: 1px solid rgba(201, 162, 39, 0.3);
  padding: clamp(20px, 3.6vw, 56px);
}

.page-disclaimer .usage-section {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 4px 14px;
  padding-block: clamp(24px, 3.6vw, 40px);
  border-top: 1px solid rgba(201, 162, 39, 0.34);
}

.page-disclaimer .usage-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .usage-section:last-child {
  padding-bottom: 0;
}

.page-disclaimer .usage-section__no {
  margin: 0;
  position: sticky;
  top: 96px;
  align-self: start;
  font-family: var(--font-mono);
  font-size: var(--step-4);
  line-height: 1;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-disclaimer .usage-section__body {
  min-width: 0;
}

.page-disclaimer .usage-section h2 {
  margin: 0 0 clamp(12px, 1.8vw, 18px);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.3;
  color: var(--ink);
}

.page-disclaimer .usage-section__lead {
  margin: 0 0 clamp(14px, 2vw, 20px);
  padding-left: 14px;
  border-left: 3px solid var(--gold);
  font-size: var(--step-3);
  line-height: 1.7;
  font-weight: 500;
  color: var(--ink);
}

.page-disclaimer .usage-section p {
  margin: 0 0 1.1em;
  font-size: var(--step-3);
  line-height: 1.78;
  color: rgba(27, 27, 31, 0.86);
}

.page-disclaimer .usage-section p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .usage-section a {
  color: var(--rose);
  text-decoration: none;
  border-bottom: 1px solid rgba(194, 24, 91, 0.4);
}

.page-disclaimer .usage-section a:hover,
.page-disclaimer .usage-section a:focus-visible {
  color: var(--night);
  border-bottom-color: var(--gold);
}

/* 提示块 */
.page-disclaimer .usage-note {
  margin-top: clamp(16px, 2.4vw, 22px);
  background: var(--white);
  border: 1px solid rgba(201, 162, 39, 0.42);
  border-left: 3px solid var(--gold);
  border-radius: 3px;
  padding: 12px 16px 14px;
}

.page-disclaimer .usage-note summary {
  cursor: pointer;
  list-style: none;
  font-size: var(--step-2);
  font-weight: 600;
  color: var(--night);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-disclaimer .usage-note summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .usage-note summary::after {
  content: "＋";
  font-family: var(--font-mono);
  color: var(--gold);
  flex: 0 0 auto;
}

.page-disclaimer .usage-note[open] summary::after {
  content: "－";
}

.page-disclaimer .usage-note p {
  margin: 12px 0 0;
  font-size: var(--step-2);
  line-height: 1.75;
  color: rgba(27, 27, 31, 0.84);
}

/* 对照表 */
.page-disclaimer .usage-compare {
  width: 100%;
  border-collapse: collapse;
  margin: clamp(16px, 2.4vw, 24px) 0;
  font-size: var(--step-2);
}

.page-disclaimer .usage-compare caption {
  text-align: left;
}

.page-disclaimer .usage-compare th,
.page-disclaimer .usage-compare td {
  text-align: left;
  padding: 11px 12px;
  border-bottom: 1px solid rgba(201, 162, 39, 0.34);
  vertical-align: top;
}

.page-disclaimer .usage-compare thead th {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: 0.06em;
  color: var(--night);
  background: rgba(201, 162, 39, 0.14);
  border-bottom: 1px solid var(--gold);
}

.page-disclaimer .usage-compare tbody td:first-child {
  color: var(--ink);
  font-weight: 600;
}

.page-disclaimer .usage-compare tbody td {
  color: rgba(27, 27, 31, 0.82);
}

.page-disclaimer .usage-compare tbody tr:hover td {
  background: rgba(232, 199, 102, 0.14);
}

/* 下载条目列表 */
.page-disclaimer .usage-dl {
  margin: clamp(16px, 2.4vw, 22px) 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-disclaimer .usage-dl > div {
  padding: 12px 0;
  border-bottom: 1px dashed rgba(201, 162, 39, 0.5);
}

.page-disclaimer .usage-dl > div:first-child {
  border-top: 1px dashed rgba(201, 162, 39, 0.5);
}

.page-disclaimer .usage-dl dt {
  font-family: var(--font-mono);
  font-size: var(--step-2);
  letter-spacing: 0.02em;
  color: var(--night);
  margin-bottom: 4px;
}

.page-disclaimer .usage-dl dd {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.7;
  color: rgba(27, 27, 31, 0.8);
}

/* 引用格式块 */
.page-disclaimer .usage-quote {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  padding: 14px 16px;
  background: var(--night);
  color: var(--paper);
  border-left: 3px solid var(--gold);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: var(--step-2);
  line-height: 1.8;
  overflow-wrap: anywhere;
}

/* 操作按钮行 */
.page-disclaimer .usage-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-disclaimer .usage-links .btn {
  text-decoration: none;
  border-bottom: 0;
}

/* 桌面布局 */
@media (min-width: 900px) {
  .page-disclaimer .usage-hero__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: end;
  }

  .page-disclaimer .usage-body {
    grid-template-columns: minmax(0, 1fr) 208px;
    align-items: start;
  }

  .page-disclaimer .usage-index {
    order: 0;
    position: sticky;
    top: 112px;
    padding: 16px 18px 18px;
  }

  .page-disclaimer .usage-index ol {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .usage-index li + li {
    margin-top: 4px;
  }

  .page-disclaimer .usage-index a {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 7px 0 7px 10px;
    white-space: normal;
    line-height: 1.45;
  }

  .page-disclaimer .usage-index a:hover,
  .page-disclaimer .usage-index a:focus-visible {
    border-left-color: var(--gold);
  }

  .page-disclaimer .usage-section {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 6px 20px;
  }
}

/* 窄屏表格堆叠 */
@media (max-width: 620px) {
  .page-disclaimer .usage-compare thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .page-disclaimer .usage-compare,
  .page-disclaimer .usage-compare tbody,
  .page-disclaimer .usage-compare tr,
  .page-disclaimer .usage-compare td {
    display: block;
    width: 100%;
  }

  .page-disclaimer .usage-compare tr {
    padding: 10px 0;
    border-bottom: 1px solid rgba(201, 162, 39, 0.42);
  }

  .page-disclaimer .usage-compare td {
    display: grid;
    grid-template-columns: 5.5em minmax(0, 1fr);
    gap: 8px;
    padding: 3px 0;
    border-bottom: 0;
  }

  .page-disclaimer .usage-compare td::before {
    content: attr(data-label);
    font-family: var(--font-mono);
    font-size: var(--step-1);
    letter-spacing: 0.02em;
    color: var(--gold);
  }

  .page-disclaimer .usage-compare tbody tr:hover td {
    background: transparent;
  }

  .page-disclaimer .usage-hero__figure {
    max-width: 100%;
  }
}
<<<END>>>