.page-disclaimer {
  --ud-line: var(--line-strong);
  --ud-paper-line: #C6BBA4;
  --ud-card-shadow: 7px 7px 0 var(--pitch-800);
  background: var(--ink-950);
  color: var(--paper-050);
  padding-bottom: clamp(36px, 6vw, 80px);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-mast {
  position: relative;
  padding: clamp(22px, 4vw, 40px) 0 clamp(22px, 3.4vw, 40px);
  border-bottom: 2px solid var(--ud-line);
  background:
    repeating-linear-gradient(90deg, transparent 0 84px, rgba(200, 247, 81, 0.055) 84px 85px),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-950) 100%);
}

.page-disclaimer .usage-mast__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 30px);
  align-items: start;
  margin-top: clamp(16px, 3vw, 32px);
}

.page-disclaimer .usage-mast__anno {
  color: var(--lime-400);
  letter-spacing: 0.12em;
  margin: 0 0 14px;
}

.page-disclaimer .usage-mast__title {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 0.92;
  margin: 0;
  transform: scaleX(0.94);
  transform-origin: left center;
  font-size: clamp(46px, 11vw, 104px);
  color: var(--paper-050);
  text-shadow: 5px 5px 0 rgba(22, 51, 38, 0.9);
}

.page-disclaimer .usage-mast__lede {
  max-width: 54ch;
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--moss-muted);
}

.page-disclaimer .usage-mast__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(16px, 2.4vw, 22px);
}

.page-disclaimer .usage-mast__stamp {
  display: inline-grid;
  grid-template-columns: auto auto;
  align-items: center;
  gap: 12px;
  justify-self: start;
  padding: 10px 16px;
  border: 3px solid var(--orange-500);
  background: var(--ink-900);
  box-shadow: 6px 6px 0 var(--pitch-800);
  transform: rotate(-4deg);
}

.page-disclaimer .usage-mast__stamp-num {
  font-size: 34px;
  font-weight: 600;
  line-height: 1;
  color: var(--orange-500);
}

.page-disclaimer .usage-mast__stamp-txt {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 0.08em;
  color: var(--paper-200);
}

.page-disclaimer .usage-mast__vertical {
  display: none;
}

/* ---------- 横幅 ---------- */
.page-disclaimer .usage-banner {
  margin: 0;
  padding: clamp(20px, 3.4vw, 34px) 0 clamp(8px, 2vw, 14px);
  background: var(--ink-950);
}

.page-disclaimer .usage-banner__media {
  border: 2px solid var(--ud-line);
  box-shadow: var(--ud-card-shadow);
  overflow: hidden;
}

.page-disclaimer .usage-banner__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.page-disclaimer .usage-banner .media__caption {
  display: block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--moss-muted);
}

/* ---------- 主体分栏 ---------- */
.page-disclaimer .usage-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 40px);
  padding-top: clamp(26px, 4vw, 48px);
}

/* ---------- 目录 ---------- */
.page-disclaimer .usage-toc {
  align-self: start;
  border-top: 3px solid var(--lime-400);
  padding-top: 14px;
}

.page-disclaimer .usage-toc > .anno {
  color: var(--moss-muted);
  letter-spacing: 0.14em;
  margin: 0 0 12px;
}

.page-disclaimer .usage-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}

.page-disclaimer .usage-toc__list li {
  border-bottom: 1px solid var(--ud-line);
}

.page-disclaimer .usage-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 2px;
  color: var(--paper-200);
  text-decoration: none;
  font-size: 15px;
  transition: color 160ms var(--ease), background-color 160ms var(--ease), padding-left 160ms var(--ease);
}

.page-disclaimer .usage-toc__list a .mono {
  color: var(--lime-400);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-disclaimer .usage-toc__list a:hover,
.page-disclaimer .usage-toc__list a:focus-visible {
  background: var(--ink-900);
  color: var(--lime-400);
  padding-left: 10px;
}

.page-disclaimer .usage-toc__top {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange-500);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-disclaimer .usage-toc__top:hover,
.page-disclaimer .usage-toc__top:focus-visible {
  border-bottom-color: var(--orange-500);
}

/* ---------- 章节 ---------- */
.page-disclaimer .usage-chapters {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  min-width: 0;
}

.page-disclaimer .usage-chapter {
  scroll-margin-top: 96px;
}

.page-disclaimer .usage-chapter__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-disclaimer .usage-chapter__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  border: 2px solid var(--ud-line);
  font-size: 15px;
  font-weight: 600;
  color: var(--moss-muted);
  transform: translateY(4px);
  transition: border-color 180ms var(--ease), color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-disclaimer .usage-chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.15;
  font-size: clamp(24px, 3.6vw, 38px);
  letter-spacing: -0.01em;
  color: var(--paper-050);
}

.page-disclaimer .usage-chapter:target .usage-chapter__num {
  border-color: var(--lime-400);
  background: var(--lime-400);
  color: var(--ink-950);
}

.page-disclaimer .usage-chapter:target .usage-chapter__title {
  color: var(--lime-400);
}

/* ---------- 纸卡 ---------- */
.page-disclaimer .usage-card {
  background: var(--paper-050);
  color: var(--ink-950);
  border: 2px solid var(--ud-paper-line);
  box-shadow: var(--ud-card-shadow);
  padding: clamp(18px, 3vw, 30px);
  min-width: 0;
}

.page-disclaimer .usage-card .prose p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
}

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

.page-disclaimer .usage-card .prose a {
  color: var(--pitch-800);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-disclaimer .usage-card .prose a:hover,
.page-disclaimer .usage-card .prose a:focus-visible {
  color: var(--orange-500);
}

.page-disclaimer .usage-list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-disclaimer .usage-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.72;
  color: #24352B;
}

.page-disclaimer .usage-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  background: var(--orange-500);
}

.page-disclaimer .usage-list strong {
  color: var(--ink-950);
  font-weight: 800;
}

/* ---------- 时效速览条 ---------- */
.page-disclaimer .usage-fact {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--ud-paper-line);
}

.page-disclaimer .usage-fact:first-of-type {
  border-top: 1px dashed var(--ud-paper-line);
  margin-top: 6px;
}

.page-disclaimer .usage-fact__k {
  flex: 0 0 auto;
  min-width: 128px;
  font-size: 13px;
  font-weight: 600;
  color: var(--pitch-800);
  background: var(--paper-200);
  padding: 3px 8px;
}

.page-disclaimer .usage-fact__v {
  font-size: 15px;
  color: #24352B;
}

.page-disclaimer .usage-card .prose .usage-fact + p {
  margin-top: 16px;
}

/* ---------- 引用格式块 ---------- */
.page-disclaimer .usage-cite {
  margin-top: clamp(16px, 2.6vw, 22px);
  padding: clamp(14px, 2.4vw, 20px);
  background: var(--ink-900);
  border-left: 6px solid var(--lime-400);
  box-shadow: 5px 5px 0 var(--pitch-800);
}

.page-disclaimer .usage-cite__label {
  margin: 0 0 8px;
  color: var(--lime-400);
  letter-spacing: 0.12em;
}

.page-disclaimer .usage-cite__text {
  margin: 0;
  font-size: clamp(13px, 1.7vw, 15px);
  line-height: 1.7;
  color: var(--paper-050);
  overflow-wrap: anywhere;
}

.page-disclaimer .usage-cite__hint {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: #3A4A40;
}

.page-disclaimer .usage-cite__hint a {
  color: var(--pitch-800);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 联系卡 ---------- */
.page-disclaimer .usage-card--dark {
  background: var(--ink-900);
  color: var(--paper-050);
  border: 2px solid var(--ud-line);
}

.page-disclaimer .usage-contact__lede {
  margin: 0 0 clamp(16px, 2.6vw, 22px);
  font-size: 15px;
  line-height: 1.78;
  color: var(--moss-muted);
}

.page-disclaimer .usage-contact {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-disclaimer .usage-contact__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  padding: 12px 0;
  border-bottom: 1px solid var(--ud-line);
}

.page-disclaimer .usage-contact__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--moss-muted);
}

.page-disclaimer .usage-contact__v {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper-050);
  overflow-wrap: anywhere;
}

.page-disclaimer .usage-contact__cta {
  margin-top: clamp(18px, 2.8vw, 24px);
}

/* ---------- 封底 ---------- */
.page-disclaimer .usage-foot {
  margin-top: clamp(34px, 5vw, 64px);
  padding-top: 18px;
  border-top: 3px solid var(--lime-400);
  display: grid;
  gap: 10px;
}

.page-disclaimer .usage-foot__anno {
  color: var(--orange-500);
  letter-spacing: 0.12em;
}

.page-disclaimer .usage-foot__text {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--moss-muted);
}

.page-disclaimer .usage-foot__top {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lime-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-disclaimer .usage-foot__top:hover,
.page-disclaimer .usage-foot__top:focus-visible {
  border-bottom-color: var(--lime-400);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 760px) {
  .page-disclaimer .usage-mast__grid {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .page-disclaimer .usage-mast__stamp {
    justify-self: end;
    transform: rotate(-5deg);
  }

  .page-disclaimer .usage-contact__row {
    grid-template-columns: 150px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

/* ---------- 桌面双栏 ---------- */
@media (min-width: 1024px) {
  .page-disclaimer .usage-mast__grid {
    grid-template-columns: minmax(0, 1fr) 190px 36px;
    gap: clamp(24px, 3vw, 44px);
    align-items: center;
  }

  .page-disclaimer .usage-mast__vertical {
    display: block;
    writing-mode: vertical-rl;
    justify-self: end;
    align-self: start;
    font-size: 12px;
    letter-spacing: 0.24em;
    color: var(--moss-muted);
    margin: 6px 0 0;
  }

  .page-disclaimer .usage-body {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }

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

  .page-disclaimer .usage-foot {
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 20px;
  }

  .page-disclaimer .usage-foot__top {
    justify-self: end;
  }
}

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