.page-disclaimer {
  --usage-soft: rgba(17, 17, 17, .74);
  --usage-side: 300px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 34px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(118deg, rgba(245, 179, 1, .12) 0 14%, transparent 14.3%),
    linear-gradient(180deg, rgba(255, 255, 255, .6), rgba(255, 255, 255, 0) 62%),
    var(--paper);
}

.page-disclaimer .usage-hero::before {
  content: "";
  position: absolute;
  top: -130px;
  right: -90px;
  width: 400px;
  height: 400px;
  background:
    repeating-linear-gradient(0deg, rgba(42, 33, 26, .07) 0 1px, transparent 1px 36px),
    repeating-linear-gradient(90deg, rgba(42, 33, 26, .07) 0 1px, transparent 1px 36px);
  transform: rotate(-10deg);
  pointer-events: none;
}

.page-disclaimer .usage-hero__inner {
  position: relative;
  display: grid;
  gap: 28px;
}

.page-disclaimer .usage-hero__copy .crumbs {
  margin-bottom: 16px;
  font-size: .78rem;
}

.page-disclaimer .usage-hero h1 {
  margin: 12px 0 16px;
  max-width: 15em;
  font-family: var(--font-display);
  font-size: clamp(1.95rem, 6vw, 3.3rem);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--brown);
}

.page-disclaimer .usage-hero__lede {
  margin: 0;
  max-width: 36em;
  font-size: clamp(1rem, 1.6vw, 1.06rem);
  line-height: 1.85;
  color: var(--usage-soft);
}

.page-disclaimer .usage-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .usage-hero__meta li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 14px;
  border-left: 3px solid var(--gold);
  background: rgba(255, 255, 255, .58);
}

.page-disclaimer .usage-hero__meta span {
  font-size: .66rem;
  letter-spacing: .12em;
  color: var(--slate);
}

.page-disclaimer .usage-hero__meta strong {
  font-size: .95rem;
  font-weight: 700;
  color: var(--ink);
}

.page-disclaimer .usage-hero__jump {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 22px 0 0;
  font-size: .9rem;
}

.page-disclaimer .usage-hero__jump a {
  color: var(--brown);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 3px;
}

.page-disclaimer .usage-hero__jump a:hover {
  background: rgba(245, 179, 1, .2);
}

.page-disclaimer .usage-hero__jump span {
  color: var(--gold);
  font-weight: 700;
}

.page-disclaimer .usage-hero__figure {
  margin: 0;
}

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

/* ---------- 正文骨架 ---------- */
.page-disclaimer .usage-body {
  padding: 34px 0 64px;
}

.page-disclaimer .usage-body__grid {
  display: grid;
  gap: 36px;
}

.page-disclaimer .usage-doc {
  position: relative;
  min-width: 0;
}

/* ---------- 字号切换 ---------- */
.page-disclaimer .usage-fs {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-disclaimer .usage-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-bottom: 14px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .usage-tools__label {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .14em;
  color: var(--slate);
}

.page-disclaimer .usage-tools__set {
  display: flex;
  gap: 6px;
}

.page-disclaimer .usage-tools__opt {
  display: inline-block;
  padding: 5px 13px;
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--brown);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .55);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .usage-tools__opt:hover {
  border-color: var(--gold);
}

.page-disclaimer #usage-fs-1:checked ~ .usage-tools .usage-tools__opt[for="usage-fs-1"],
.page-disclaimer #usage-fs-2:checked ~ .usage-tools .usage-tools__opt[for="usage-fs-2"],
.page-disclaimer #usage-fs-3:checked ~ .usage-tools .usage-tools__opt[for="usage-fs-3"] {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.page-disclaimer .usage-terms {
  font-size: 1rem;
  transition: font-size .2s var(--ease);
}

.page-disclaimer #usage-fs-2:checked ~ .usage-terms {
  font-size: 1.08rem;
}

.page-disclaimer #usage-fs-3:checked ~ .usage-terms {
  font-size: 1.17rem;
}

/* ---------- 条款 ---------- */
.page-disclaimer .term {
  padding: 26px 0 24px;
}

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

.page-disclaimer .term__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  margin-bottom: 14px;
}

.page-disclaimer .term__num {
  padding-left: 12px;
  border-left: 3px solid var(--gold);
  font-size: clamp(1.5rem, 4.2vw, 2.1rem);
  font-weight: 700;
  line-height: 1;
  color: var(--gold-ink);
}

.page-disclaimer .term__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.12rem, 2.4vw, 1.3rem);
  font-weight: 800;
  line-height: 1.4;
  color: var(--brown);
}

.page-disclaimer .term__body {
  padding-left: 0;
}

.page-disclaimer .term__body p {
  margin: 0 0 12px;
  font-size: 1em;
  line-height: 1.85;
  color: var(--usage-soft);
  max-width: 40em;
}

.page-disclaimer .term__body ul {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .term__body li {
  position: relative;
  padding-left: 20px;
  font-size: 1em;
  line-height: 1.78;
  color: var(--usage-soft);
  max-width: 40em;
}

.page-disclaimer .term__body li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--gold-ink);
}

.page-disclaimer .term__body a {
  color: var(--brown);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
}

.page-disclaimer .term__body a:hover {
  background: rgba(245, 179, 1, .2);
}

/* ---------- 收尾行动 ---------- */
.page-disclaimer .usage-cta {
  display: grid;
  gap: 16px;
  margin-top: 36px;
  padding: 26px 22px;
  background: var(--night);
  border-left: 6px solid var(--gold);
}

.page-disclaimer .usage-cta__text {
  margin: 0;
  font-size: .96rem;
  line-height: 1.8;
  color: rgba(246, 239, 223, .82);
}

.page-disclaimer .usage-cta__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.page-disclaimer .usage-cta__link {
  font-size: .9rem;
  font-weight: 700;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 2px solid rgba(245, 179, 1, .5);
  padding-bottom: 2px;
}

.page-disclaimer .usage-cta__link:hover {
  color: var(--gold-lift);
  border-bottom-color: var(--gold-lift);
}

/* ---------- 侧栏 ---------- */
.page-disclaimer .usage-aside {
  min-width: 0;
}

.page-disclaimer .usage-panel {
  padding: 18px 18px 20px;
  margin-bottom: 16px;
  background: var(--glass);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  box-shadow: 0 10px 24px rgba(42, 33, 26, .07);
  backdrop-filter: blur(8px);
}

.page-disclaimer .usage-panel__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--slate);
}

.page-disclaimer .usage-panel__list {
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .usage-panel__list li {
  position: relative;
  padding-left: 16px;
  font-size: .86rem;
  line-height: 1.72;
  color: var(--usage-soft);
}

.page-disclaimer .usage-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 2px;
  background: var(--gold);
}

.page-disclaimer .usage-links {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .usage-links li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(213, 204, 187, .8);
}

.page-disclaimer .usage-links li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-disclaimer .usage-links a {
  font-size: .9rem;
  color: var(--brown);
  font-weight: 600;
  text-decoration: none;
}

.page-disclaimer .usage-links a:hover {
  color: var(--ink);
  background: rgba(245, 179, 1, .22);
}

.page-disclaimer .usage-links span {
  font-size: .72rem;
  color: var(--slate);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .usage-hero {
    padding: 34px 0 44px;
  }

  .page-disclaimer .term {
    padding: 32px 0 30px;
  }

  .page-disclaimer .usage-cta {
    padding: 30px 28px;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-disclaimer .usage-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 880px) {
  .page-disclaimer .usage-hero {
    padding: 48px 0 56px;
  }

  .page-disclaimer .usage-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    gap: 48px;
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-disclaimer .usage-body {
    padding: 48px 0 80px;
  }

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

  .page-disclaimer .usage-aside {
    position: sticky;
    top: calc(var(--topbar-h) + 22px);
  }

  .page-disclaimer .term__body {
    padding-left: 78px;
  }
}
<<<PAGE_CSS_END>>>