.page-disclaimer {
  --u-gutter: 18px;
  --u-mid: rgba(127, 181, 181, .5);
  --u-line: rgba(107, 45, 139, .28);
  --u-gold-line: rgba(212, 160, 23, .6);
  background: var(--sand);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 页头 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  background: var(--grape-night);
  padding-bottom: 34px;
  overflow: hidden;
}

.page-disclaimer .usage-hero__media {
  position: relative;
  height: 158px;
  overflow: hidden;
  border-bottom: 1px solid var(--u-gold-line);
}

.page-disclaimer .usage-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .5;
}

.page-disclaimer .usage-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(127, 181, 181, .18) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(0deg, rgba(127, 181, 181, .18) 0 1px, transparent 1px 48px);
  pointer-events: none;
}

.page-disclaimer .usage-stamp {
  position: absolute;
  top: 14px;
  right: 18px;
  z-index: 2;
  padding: 4px 10px;
  border: 1px solid var(--u-gold-line);
  background: rgba(27, 23, 38, .72);
  color: var(--gold-lt);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .14em;
}

.page-disclaimer .usage-hero__inner {
  position: relative;
  z-index: 2;
  padding-top: 24px;
}

.page-disclaimer .usage-hero .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: rgba(247, 243, 236, .7);
}

.page-disclaimer .usage-hero .breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--gold);
}

.page-disclaimer .usage-hero .breadcrumb a {
  color: rgba(247, 243, 236, .88);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 160, 23, .5);
}

.page-disclaimer .usage-hero .breadcrumb a:hover {
  color: var(--gold-lt);
}

.page-disclaimer .usage-hero__tag {
  margin: 18px 0 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--celadon);
}

.page-disclaimer .usage-hero h1 {
  margin: 12px 0 0;
  max-width: 24em;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(27px, 5.2vw, 48px);
  line-height: 1.24;
  color: var(--sand);
}

.page-disclaimer .usage-hero .lead {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(247, 243, 236, .86);
}

/* ---------- 页内目录 ---------- */
.page-disclaimer .usage-jump {
  background: var(--celadon-lt);
  border-bottom: 1px solid var(--u-mid);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .usage-jump ul {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 12px var(--u-gutter);
  list-style: none;
  min-width: max-content;
}

.page-disclaimer .usage-jump a {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid rgba(107, 45, 139, .34);
  background: rgba(255, 255, 255, .68);
  color: var(--grape-deep);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .06em;
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-disclaimer .usage-jump a:hover,
.page-disclaimer .usage-jump a:focus-visible {
  border-color: var(--red);
  color: var(--red);
}

/* ---------- 分区通用 ---------- */
.page-disclaimer .usage-section {
  padding: 42px 0 46px;
  border-top: 1px solid var(--u-line);
}

.page-disclaimer .usage-section--tint {
  background: var(--celadon-lt);
}

.page-disclaimer .usage-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-disclaimer .usage-section__head h2 {
  margin: 0;
  max-width: 24ch;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(21px, 3.4vw, 32px);
  line-height: 1.32;
  color: var(--ink);
}

.page-disclaimer .usage-section__index {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--grape);
  border-bottom: 2px solid var(--gold);
  padding-bottom: 2px;
}

.page-disclaimer .usage-section__lead {
  margin: 14px 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--gray);
}

/* ---------- 规则对照双列 ---------- */
.page-disclaimer .rule-rows {
  margin-top: 26px;
  border-top: 1px solid var(--u-mid);
}

.page-disclaimer .rule-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 18px 0;
  border-bottom: 1px solid var(--u-mid);
  transition: background-color .24s var(--ease);
}

.page-disclaimer .rule-row__idx {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-disclaimer .rule-row__label {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.42;
  color: var(--grape-deep);
}

.page-disclaimer .rule-scope {
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid rgba(107, 45, 139, .4);
  background: rgba(255, 255, 255, .72);
  color: var(--grape);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .08em;
}

.page-disclaimer .rule-scope--wide {
  border-color: var(--u-gold-line);
  color: #8a6a0d;
}

.page-disclaimer .rule-row__body p {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--gray);
}

/* ---------- 版本适用范围 ---------- */
.page-disclaimer .ver-table {
  margin-top: 26px;
  border: 1px solid var(--u-mid);
  background: var(--paper);
}

.page-disclaimer .ver-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  padding: 20px var(--u-gutter);
  border-bottom: 1px solid var(--u-mid);
}

.page-disclaimer .ver-row:last-child {
  border-bottom: 0;
}

.page-disclaimer .ver-row__id {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-disclaimer .ver-row__num {
  font-family: var(--font-data);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--grape);
}

.page-disclaimer .ver-row__cell h3 {
  margin: 0 0 6px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--grape-deep);
}

.page-disclaimer .ver-row__cell p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.76;
  color: var(--gray);
}

/* ---------- 旧版入口保留 ---------- */
.page-disclaimer .legacy-steps {
  margin: 26px 0 0;
  padding: 0 0 0 22px;
  list-style: none;
  border-left: 2px solid var(--u-gold-line);
}

.page-disclaimer .legacy-step {
  position: relative;
  padding: 0 0 24px 18px;
}

.page-disclaimer .legacy-step:last-child {
  padding-bottom: 0;
}

.page-disclaimer .legacy-step::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 6px;
  width: 9px;
  height: 9px;
  background: var(--gold);
}

.page-disclaimer .legacy-step h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.44;
  color: var(--grape-deep);
}

.page-disclaimer .legacy-step p {
  margin: 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--gray);
}

/* ---------- 引用与转载 ---------- */
.page-disclaimer .cite-list {
  margin-top: 26px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 1px solid var(--u-line);
}

.page-disclaimer .cite-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--u-line);
}

.page-disclaimer .cite-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.44;
  color: var(--grape-deep);
}

.page-disclaimer .cite-item h3::before {
  content: "§";
  margin-right: 8px;
  color: var(--gold);
  font-family: var(--font-data);
  font-size: 15px;
}

.page-disclaimer .cite-item p {
  margin: 0;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--gray);
}

.page-disclaimer .cite-note {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--celadon);
  color: #4e7f7f;
}

.page-disclaimer .cite-item a {
  color: var(--grape);
  text-decoration: none;
  border-bottom: 1px solid var(--u-gold-line);
}

.page-disclaimer .cite-item a:hover {
  color: var(--red);
  border-bottom-color: var(--red);
}

/* ---------- 收尾 ---------- */
.page-disclaimer .usage-cta {
  background: var(--ink);
  color: var(--sand);
  padding: 40px 0 44px;
}

.page-disclaimer .usage-cta .rule-gold {
  display: block;
  height: 0;
  margin: 0;
  border: 0;
  border-top: 2px solid var(--gold);
}

.page-disclaimer .usage-cta__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-top: 26px;
}

.page-disclaimer .usage-cta__eyebrow {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold-lt);
}

.page-disclaimer .usage-cta h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1.34;
  color: var(--sand);
}

.page-disclaimer .usage-cta__text p {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(247, 243, 236, .82);
}

.page-disclaimer .usage-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

.page-disclaimer .usage-cta__foot {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(127, 181, 181, .3);
  font-size: 14px;
  color: rgba(247, 243, 236, .72);
}

.page-disclaimer .usage-cta__foot a {
  color: var(--gold-lt);
  text-decoration: none;
  border-bottom: 1px solid var(--u-gold-line);
}

.page-disclaimer .usage-cta__foot a:hover {
  color: var(--sand);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 768px) {
  .page-disclaimer {
    --u-gutter: 40px;
  }

  .page-disclaimer .usage-hero__media {
    height: 210px;
  }

  .page-disclaimer .usage-hero__inner {
    padding-top: 30px;
  }

  .page-disclaimer .usage-section {
    padding: 54px 0 58px;
  }

  .page-disclaimer .cite-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }

  .page-disclaimer .cite-item {
    padding: 22px 0;
  }

  .page-disclaimer .usage-cta__row {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: end;
    gap: 32px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .rule-row {
    grid-template-columns: minmax(180px, 290px) minmax(0, 1fr);
    gap: 0;
    padding: 0;
  }

  .page-disclaimer .rule-row__key {
    padding: 22px 26px 22px 0;
    border-right: 1px solid var(--u-mid);
  }

  .page-disclaimer .rule-row__body {
    padding: 22px 0 22px 26px;
  }

  .page-disclaimer .rule-row:hover {
    background: rgba(220, 233, 233, .55);
  }

  .page-disclaimer .ver-row {
    grid-template-columns: 200px minmax(0, 1fr) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
    padding: 24px var(--u-gutter);
  }

  .page-disclaimer .ver-row:nth-child(odd) {
    background: rgba(220, 233, 233, .38);
  }
}