.page-disclaimer {
  background: var(--cream-50);
  color: var(--charcoal-900);
  font-family: var(--font-body);
}

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

/* 面包屑 */
.page-disclaimer .usage-crumb {
  background: var(--cream-50);
  padding: 14px 0 8px;
}

.page-disclaimer .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--ink-brown);
}

.page-disclaimer .breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--pitch-600);
  opacity: .6;
}

.page-disclaimer .breadcrumb a {
  color: var(--pitch-600);
  text-decoration: none;
}

.page-disclaimer .breadcrumb a:hover {
  color: var(--signal-orange-deep);
}

/* 首屏 */
.page-disclaimer .usage-hero {
  position: relative;
  overflow: hidden;
  background: var(--pitch-950);
  color: var(--cream-50);
  padding: 30px 0 38px;
}

.page-disclaimer .usage-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(115deg, transparent 0 27px, rgba(200, 255, 61, .05) 27px 28px);
  pointer-events: none;
}

.page-disclaimer .usage-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--lime-400), var(--pitch-600) 55%, transparent);
}

.page-disclaimer .usage-hero__grid {
  position: relative;
  display: grid;
  gap: 30px;
  min-width: 0;
}

.page-disclaimer .usage-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--lime-400);
}

.page-disclaimer .usage-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 6.4vw, 60px);
  line-height: 1.06;
  letter-spacing: -.015em;
  color: var(--cream-50);
}

.page-disclaimer .usage-hero__lead {
  margin: 0 0 26px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(251, 248, 239, .86);
}

.page-disclaimer .usage-hero__facts {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-dark);
}

.page-disclaimer .usage-hero__facts li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-dark);
  font-size: 14.5px;
  line-height: 1.6;
}

.page-disclaimer .usage-fact-key {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--lime-200);
  text-transform: uppercase;
}

.page-disclaimer .usage-fact-val {
  color: rgba(251, 248, 239, .9);
}

.page-disclaimer .usage-fact-val strong {
  color: var(--lime-400);
  font-weight: 700;
}

.page-disclaimer .usage-hero__aside {
  background: var(--glass-light);
  border: 1px solid var(--line-dark);
  border-radius: 3px;
  padding: 20px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.page-disclaimer .usage-aside__title {
  margin: 0 0 14px;
  font-family: var(--font-editorial);
  font-size: 14px;
  letter-spacing: .18em;
  color: var(--lime-400);
}

.page-disclaimer .usage-aside__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(251, 248, 239, .92);
}

.page-disclaimer .usage-aside__list li {
  position: relative;
  padding-left: 17px;
}

.page-disclaimer .usage-aside__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 6px;
  height: 6px;
  background: var(--lime-400);
}

/* 视觉带 */
.page-disclaimer .usage-banner {
  background: var(--pitch-950);
  line-height: 0;
}

.page-disclaimer .usage-banner__frame {
  display: block;
  width: 100%;
  max-width: none;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 12 / 5;
}

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

/* 章节目录 */
.page-disclaimer .usage-toc {
  background: var(--cream-50);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .usage-toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 16px 0;
  list-style: none;
}

.page-disclaimer .usage-toc a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  background: var(--cream-100);
  border: 1px solid var(--line);
  border-radius: 2px;
  font-size: 14px;
  color: var(--ink-brown);
  text-decoration: none;
  transition: border-color .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
}

.page-disclaimer .usage-toc a:hover,
.page-disclaimer .usage-toc a:focus-visible {
  border-color: var(--pitch-600);
  background: var(--cream-50);
  color: var(--pitch-600);
}

.page-disclaimer .usage-toc__no {
  font-family: var(--font-editorial);
  font-weight: 700;
  font-size: 13px;
  color: var(--signal-orange-deep);
}

/* 通用章节 */
.page-disclaimer .usage-section {
  padding: clamp(38px, 6vw, 74px) 0;
}

.page-disclaimer .usage-section--cream {
  background: var(--cream-50);
}

.page-disclaimer .usage-section--paper {
  background: var(--cream-100);
}

.page-disclaimer .usage-section--dark {
  background: var(--pitch-950);
  color: rgba(251, 248, 239, .88);
}

.page-disclaimer .usage-section--dark::before {
  content: "";
  display: block;
}

.page-disclaimer .usage-section__grid {
  display: grid;
  gap: 28px;
  min-width: 0;
}

.page-disclaimer .chapter-label {
  margin: 0 0 10px;
  font-family: var(--font-editorial);
  font-size: 12.5px;
  letter-spacing: .2em;
  color: var(--signal-orange-deep);
}

.page-disclaimer .chapter-label--on-dark {
  color: var(--lime-400);
}

.page-disclaimer .usage-section h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(25px, 4.4vw, 36px);
  line-height: 1.16;
  letter-spacing: -.012em;
  color: var(--ink-brown);
}

.page-disclaimer .usage-section--dark h2 {
  color: var(--cream-50);
}

.page-disclaimer .usage-section__body > p,
.page-disclaimer .usage-section__lead {
  margin: 0 0 15px;
  font-size: 16px;
  line-height: 1.78;
  max-width: 44em;
}

.page-disclaimer .usage-section__lead {
  color: rgba(251, 248, 239, .84);
  margin-bottom: 26px;
}

.page-disclaimer .usage-link {
  color: var(--signal-orange-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-disclaimer .usage-link:hover {
  color: var(--pitch-600);
}

.page-disclaimer .usage-link--on-dark {
  color: var(--lime-400);
}

.page-disclaimer .usage-link--on-dark:hover {
  color: var(--lime-200);
}

/* 时间条 */
.page-disclaimer .usage-timeline {
  margin: 26px 0 8px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
}

.page-disclaimer .usage-timeline li {
  position: relative;
  padding-top: 16px;
  border-top: 2px solid rgba(27, 29, 26, .13);
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(27, 29, 26, .78);
}

.page-disclaimer .usage-timeline li::before {
  content: "";
  position: absolute;
  left: 0;
  top: -7px;
  width: 10px;
  height: 10px;
  box-sizing: content-box;
  border: 2px solid var(--lime-400);
  border-radius: 50%;
  background: var(--pitch-600);
}

.page-disclaimer .usage-timeline strong {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--pitch-600);
}

/* 折叠规则 */
.page-disclaimer .usage-rules {
  margin-top: 26px;
  border-bottom: 1px solid var(--line);
}

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

.page-disclaimer .usage-rule summary {
  position: relative;
  padding: 15px 34px 15px 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--ink-brown);
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .usage-rule summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-data);
  font-size: 19px;
  color: var(--pitch-600);
}

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

.page-disclaimer .usage-rule summary:focus-visible {
  outline: 2px solid var(--pitch-600);
  outline-offset: 2px;
}

.page-disclaimer .usage-rule p {
  margin: 0 0 18px;
  padding-right: 8px;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(27, 29, 26, .84);
  max-width: 44em;
}

.page-disclaimer .usage-section--paper .usage-rule p {
  color: rgba(27, 29, 26, .84);
}

/* 侧注 */
.page-disclaimer .usage-note {
  border-left: 3px solid var(--lime-400);
  background: var(--cream-100);
  padding: 16px 18px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(27, 29, 26, .82);
}

.page-disclaimer .usage-section--paper .usage-note {
  background: var(--cream-50);
}

.page-disclaimer .usage-note p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.7;
}

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

.page-disclaimer .usage-note__title {
  font-family: var(--font-editorial);
  font-size: 12.5px;
  letter-spacing: .18em;
  color: var(--pitch-600);
}

/* 费用双栏 */
.page-disclaimer .usage-fee-pair {
  display: grid;
  gap: 16px;
  margin-bottom: 26px;
}

.page-disclaimer .usage-fee-card {
  background: rgba(251, 248, 239, .05);
  border: 1px solid var(--line-dark);
  border-top: 3px solid var(--lime-400);
  border-radius: 2px;
  padding: 22px 22px 20px;
}

.page-disclaimer .usage-fee-tag {
  display: inline-block;
  margin: 0 0 14px;
  padding: 3px 10px;
  background: var(--signal-orange);
  color: var(--cream-50);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .16em;
}

.page-disclaimer .usage-fee-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--cream-50);
}

.page-disclaimer .usage-fee-card p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(251, 248, 239, .8);
}

.page-disclaimer .usage-fee-card__link {
  margin: 0 !important;
  font-size: 14px;
}

.page-disclaimer .usage-fee-foot {
  margin: 0 0 12px;
  max-width: 46em;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(251, 248, 239, .84);
}

/* 转载编号列表 */
.page-disclaimer .usage-perm-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: perm;
}

.page-disclaimer .usage-perm-list li {
  counter-increment: perm;
  position: relative;
  padding: 14px 0 14px 46px;
  border-bottom: 1px solid var(--line);
  font-size: 15.5px;
  line-height: 1.72;
  color: rgba(27, 29, 26, .86);
}

.page-disclaimer .usage-perm-list li:first-child {
  border-top: 1px solid var(--line);
}

.page-disclaimer .usage-perm-list li::before {
  content: counter(perm, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 17px;
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--signal-orange-deep);
}

/* 页尾横带 */
.page-disclaimer .usage-band {
  position: relative;
  overflow: hidden;
  background: var(--pitch-800);
  color: var(--cream-50);
  padding: clamp(40px, 6vw, 68px) 0;
}

.page-disclaimer .usage-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(140deg, transparent 0 34px, rgba(200, 255, 61, .05) 34px 35px);
  pointer-events: none;
}

.page-disclaimer .usage-band__inner {
  position: relative;
}

.page-disclaimer .usage-band h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 4.4vw, 38px);
  line-height: 1.16;
  letter-spacing: -.012em;
  color: var(--cream-50);
}

.page-disclaimer .usage-band p {
  margin: 0 0 14px;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(251, 248, 239, .86);
}

.page-disclaimer .usage-band__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 24px 0 22px;
}

.page-disclaimer .usage-copy {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  max-width: 100%;
  padding: 7px 8px 7px 13px;
  background: rgba(251, 248, 239, .08);
  border: 1px solid var(--line-dark);
  border-radius: 2px;
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--lime-200);
  overflow-wrap: anywhere;
}

.page-disclaimer .usage-copy button {
  flex: 0 0 auto;
  padding: 5px 11px;
  border: 1px solid var(--lime-400);
  border-radius: 2px;
  background: transparent;
  color: var(--lime-400);
  font-family: var(--font-body);
  font-size: 12.5px;
  line-height: 1.4;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-disclaimer .usage-copy button:hover,
.page-disclaimer .usage-copy button:focus-visible {
  background: var(--lime-400);
  color: var(--pitch-950);
}

.page-disclaimer .usage-copy .copy-hint {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--lime-400);
}

.page-disclaimer .usage-band__meta {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: rgba(251, 248, 239, .62);
}

/* 响应式 */
@media (min-width: 720px) {
  .page-disclaimer .usage-timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }

  .page-disclaimer .usage-fee-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .usage-hero {
    padding: 40px 0 52px;
  }

  .page-disclaimer .usage-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .85fr);
    gap: 56px;
    align-items: end;
  }

  .page-disclaimer .usage-section__grid {
    grid-template-columns: minmax(0, 1.85fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-disclaimer .usage-note {
    position: sticky;
    top: 96px;
  }

  .page-disclaimer .usage-banner__frame {
    max-height: 420px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .usage-toc a,
  .page-disclaimer .usage-copy button {
    transition: none;
  }
}
<<<END>>>