.page-disclaimer {
  --pd-cut: 18px;
  --pd-ink: rgba(244, 247, 255, .78);
  --pd-ink-dim: rgba(244, 247, 255, .64);
  display: block;
  background: var(--void);
  color: var(--white);
  overflow-x: clip;
}

.page-disclaimer img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  padding-block: clamp(18px, 3.5vw, 32px) clamp(44px, 7vw, 80px);
  border-bottom: 1px solid var(--wire);
  background:
    radial-gradient(95% 120% at 94% -22%, rgba(108, 77, 255, .30), transparent 62%),
    radial-gradient(70% 90% at 0% 0%, rgba(77, 225, 255, .10), transparent 58%),
    var(--void);
}

.page-disclaimer .usage-hero__inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .usage-hero__coord {
  margin: clamp(20px, 4vw, 38px) 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--orange);
  text-transform: uppercase;
}

.page-disclaimer .usage-hero__ghost {
  position: absolute;
  top: clamp(48px, 8vw, 96px);
  right: 0;
  z-index: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(50px, 15vw, 170px);
  line-height: .78;
  letter-spacing: .05em;
  white-space: nowrap;
  color: rgba(108, 77, 255, .09);
  -webkit-text-stroke: 1px rgba(138, 151, 184, .18);
  pointer-events: none;
  user-select: none;
}

.page-disclaimer .usage-hero__title {
  position: relative;
  z-index: 1;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(42px, 9vw, 88px);
  line-height: 1.02;
  letter-spacing: .02em;
  color: var(--white);
}

.page-disclaimer .usage-hero__row {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(22px, 4vw, 34px);
  margin-top: clamp(20px, 3vw, 30px);
}

.page-disclaimer .usage-hero__lede {
  max-width: 48ch;
  margin: 0;
  color: var(--pd-ink);
  font-size: clamp(15.5px, .5vw + 14px, 17.5px);
  line-height: 1.82;
}

.page-disclaimer .usage-hero__figure {
  margin: 0;
  border: 1px solid var(--wire);
  clip-path: polygon(0 0, calc(100% - var(--pd-cut)) 0, 100% var(--pd-cut), 100% 100%, 0 100%);
}

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

.page-disclaimer .usage-hero__trail {
  position: absolute;
  inset: auto 0 0 0;
  width: 100%;
  height: clamp(48px, 9vw, 120px);
  z-index: 0;
  pointer-events: none;
}

/* ---------- 条款主体 ---------- */
.page-disclaimer .usage-terms {
  padding-block: clamp(40px, 7vw, 84px);
  background: linear-gradient(180deg, var(--void) 0%, var(--chart) 24%, var(--chart) 100%);
}

.page-disclaimer .usage-grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

/* 目录 */
.page-disclaimer .usage-toc {
  border-top: 1px solid var(--wire);
  padding-top: 16px;
}

.page-disclaimer .usage-toc__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--steel);
  text-transform: uppercase;
}

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

.page-disclaimer .usage-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 2px;
  color: var(--steel);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease, padding-left 160ms ease;
}

.page-disclaimer .usage-toc__link:hover,
.page-disclaimer .usage-toc__link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--orange);
  padding-left: 6px;
}

.page-disclaimer .usage-toc__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-disclaimer .usage-toc__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--orange);
}

/* 条款列表 */
.page-disclaimer .usage-docs {
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
}

.page-disclaimer .clause {
  position: relative;
  padding: clamp(20px, 2.8vw, 34px);
  background: linear-gradient(158deg, var(--hull) 0%, var(--chart) 92%);
  clip-path: polygon(0 0, calc(100% - var(--pd-cut)) 0, 100% var(--pd-cut), 100% 100%, 0 100%);
  transition: background 200ms ease;
}

.page-disclaimer .clause::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(58%, 240px);
  height: 2px;
  background: linear-gradient(90deg, var(--orange), var(--violet));
}

.page-disclaimer .clause:hover {
  background: linear-gradient(158deg, #152239 0%, var(--chart) 92%);
}

.page-disclaimer .clause__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.page-disclaimer .clause__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--orange);
  padding: 3px 7px;
  border: 1px solid rgba(255, 107, 44, .40);
  border-radius: 2px;
}

.page-disclaimer .clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 1.4vw + 13px, 24px);
  line-height: 1.4;
  letter-spacing: .01em;
  color: var(--white);
}

.page-disclaimer .clause__body {
  display: grid;
  gap: 12px;
  color: var(--pd-ink);
  font-size: clamp(15px, .35vw + 14px, 16.5px);
  line-height: 1.82;
}

.page-disclaimer .clause__body p {
  margin: 0;
}

.page-disclaimer .clause__body strong {
  color: var(--cyan);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .clause__link {
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid rgba(77, 225, 255, .45);
  transition: color 150ms ease, border-color 150ms ease;
}

.page-disclaimer .clause__link:hover,
.page-disclaimer .clause__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--orange);
}

.page-disclaimer .clause__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* 等宽标签 */
.page-disclaimer .mono-tag {
  display: inline-block;
  padding: 1px 7px;
  font-family: var(--font-mono);
  font-size: .84em;
  letter-spacing: .04em;
  color: var(--cyan);
  background: rgba(77, 225, 255, .07);
  border: 1px solid rgba(77, 225, 255, .28);
  border-radius: 2px;
}

/* 折叠区 */
.page-disclaimer .fold {
  margin-top: 14px;
  border-top: 1px solid var(--wire);
}

.page-disclaimer .fold__btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  padding: 14px 0;
  background: none;
  border: 0;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: color 160ms ease;
}

.page-disclaimer .fold__btn:hover,
.page-disclaimer .fold__btn:focus-visible {
  color: var(--cyan);
}

.page-disclaimer .fold__btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-disclaimer .fold__sign {
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--orange);
}

.page-disclaimer .fold__panel {
  padding-bottom: 16px;
  color: var(--pd-ink-dim);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-disclaimer .fold__panel p {
  margin: 0;
}

.page-disclaimer .fold__panel p + p {
  margin-top: 10px;
}

/* 引用示例块 */
.page-disclaimer .citebox {
  margin-bottom: 12px;
  padding: 12px 14px;
  background: rgba(5, 9, 20, .62);
  border-left: 2px solid var(--orange);
}

.page-disclaimer .citebox__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .18em;
  color: var(--steel);
  text-transform: uppercase;
}

.page-disclaimer .citebox__text {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--violet);
  word-break: break-word;
}

.page-disclaimer .citebox__text {
  color: #A99BFF;
}

/* 尾注 */
.page-disclaimer .usage-foot {
  margin-top: clamp(18px, 3vw, 28px);
  padding-top: clamp(18px, 2.6vw, 26px);
  border-top: 1px dashed var(--wire);
  display: grid;
  gap: 16px;
}

.page-disclaimer .usage-foot__line {
  margin: 0;
  color: var(--pd-ink-dim);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-disclaimer .usage-foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 平板 / 桌面 ---------- */
@media (min-width: 760px) {
  .page-disclaimer .usage-hero__row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    align-items: end;
    gap: clamp(28px, 4vw, 56px);
  }

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

@media (min-width: 980px) {
  .page-disclaimer .usage-grid {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
    align-items: start;
  }

  .page-disclaimer .usage-toc {
    position: sticky;
    top: calc(var(--top-h) + 24px);
    border-top: 0;
    border-left: 1px solid var(--wire);
    padding-top: 4px;
    padding-left: 20px;
  }

  .page-disclaimer .usage-toc__list {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .page-disclaimer .usage-toc__link {
    padding: 8px 0;
  }

  .page-disclaimer .usage-toc__link:hover,
  .page-disclaimer .usage-toc__link:focus-visible {
    padding-left: 4px;
  }
}

@media (min-width: 1120px) {
  .page-disclaimer .clause__body {
    padding-right: clamp(0px, 3vw, 46px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause,
  .page-disclaimer .usage-toc__link,
  .page-disclaimer .fold__btn,
  .page-disclaimer .clause__link {
    transition: none;
  }
}
<<<END>>>