.page-disclaimer {
  --disc-line: 1px solid var(--ink-700);
  --disc-line-soft: 1px solid rgba(242, 245, 243, .08);
  --disc-measure: 68ch;
  --disc-pad: clamp(20px, 4vw, 44px);
  position: relative;
  background: var(--ink-900);
  color: var(--chalk);
  overflow-x: hidden;
}

.page-disclaimer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: repeating-linear-gradient(
    115deg,
    rgba(0, 168, 107, .045) 0 2px,
    transparent 2px 24px
  );
}

.page-disclaimer > * {
  position: relative;
  z-index: 1;
}

/* 顶部纸张叠层窄带 */
.page-disclaimer .disc-band {
  position: relative;
  margin: 0 0 0;
  height: clamp(150px, 20vw, 238px);
  overflow: hidden;
  background: var(--ink-850);
  border-top: var(--disc-line);
  border-bottom: var(--disc-line);
}

.page-disclaimer .disc-band::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(90deg, rgba(28, 36, 40, .55) 0 1px, transparent 1px 56px),
    linear-gradient(180deg, rgba(11, 13, 14, .25) 0%, rgba(11, 13, 14, .85) 100%);
}

.page-disclaimer .disc-band img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .55;
  filter: grayscale(.35) contrast(1.1);
}

.page-disclaimer .disc-band__cap {
  position: absolute;
  right: clamp(16px, 3.2vw, 40px);
  bottom: 14px;
  z-index: 2;
  margin: 0;
  padding: 4px 10px;
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--neon);
  background: rgba(11, 13, 14, .78);
  border: var(--disc-line-soft);
}

/* 标题区 */
.page-disclaimer .disc-head {
  padding: clamp(30px, 5.5vw, 60px) 0 clamp(22px, 3vw, 34px);
  border-bottom: var(--disc-line);
}

.page-disclaimer .disc-head__eyebrow {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--turf);
}

.page-disclaimer .disc-head__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(38px, 7vw, 76px);
  line-height: .95;
  letter-spacing: -.02em;
  color: var(--chalk);
}

.page-disclaimer .disc-head__lede {
  margin: 0;
  max-width: var(--disc-measure);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: var(--muted);
}

.page-disclaimer .disc-head__lede a,
.page-disclaimer .disc-clause__body a,
.page-disclaimer .disc-inline-note a {
  color: var(--chalk);
  text-decoration: none;
  border-bottom: 1px solid var(--volt);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .disc-head__lede a:hover,
.page-disclaimer .disc-clause__body a:hover,
.page-disclaimer .disc-inline-note a:hover,
.page-disclaimer .disc-head__lede a:focus-visible,
.page-disclaimer .disc-clause__body a:focus-visible,
.page-disclaimer .disc-inline-note a:focus-visible {
  color: var(--neon);
  border-color: var(--neon);
}

/* 条款目录 */
.page-disclaimer .disc-toc {
  padding: 18px 0;
  border-bottom: var(--disc-line);
}

.page-disclaimer .disc-toc__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-disclaimer .disc-toc__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .disc-toc__summary::before {
  content: "";
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  background: var(--neon);
}

.page-disclaimer .disc-toc__summary::after {
  content: "展开";
  margin-left: auto;
  font-size: 10px;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-disclaimer .disc-toc[open] .disc-toc__summary::after {
  content: "收起";
}

.page-disclaimer .disc-toc__summary:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: 3px;
}

.page-disclaimer .disc-toc__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
}

.page-disclaimer .disc-toc__list li {
  margin: 0;
}

.page-disclaimer .disc-toc__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 12px;
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  border-left: 2px solid var(--ink-700);
  background: rgba(18, 23, 26, .45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-disclaimer .disc-toc__link .mono {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--turf);
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .disc-toc__link:hover,
.page-disclaimer .disc-toc__link:focus-visible {
  color: var(--neon);
  border-left-color: var(--neon);
  background: rgba(212, 255, 63, .05);
}

.page-disclaimer .disc-toc__link:hover .mono,
.page-disclaimer .disc-toc__link:focus-visible .mono {
  color: var(--neon);
}

/* 条款纸张 */
.page-disclaimer .disc-sheet {
  margin-top: clamp(24px, 4vw, 46px);
  border: var(--disc-line);
  background: var(--ink-850);
}

.page-disclaimer .disc-clause {
  padding: clamp(24px, 4vw, 46px);
  border-bottom: var(--disc-line);
}

.page-disclaimer .disc-clause:last-child {
  border-bottom: 0;
}

.page-disclaimer .disc-clause__body {
  max-width: var(--disc-measure);
}

.page-disclaimer .disc-clause__num {
  display: block;
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .26em;
  color: var(--turf);
}

.page-disclaimer .disc-clause__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--chalk);
}

.page-disclaimer .disc-clause__body p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--chalk);
}

.page-disclaimer .disc-clause__body p:last-child {
  margin-bottom: 0;
}

/* 悬挂注释 */
.page-disclaimer .disc-note {
  margin: 0 0 22px;
  padding: 10px 0 10px 16px;
  border-left: 2px solid var(--turf);
  outline: none;
  transition: border-color var(--dur) var(--ease);
}

.page-disclaimer .disc-note:hover,
.page-disclaimer .disc-note:focus-visible {
  border-left-color: var(--neon);
}

.page-disclaimer .disc-note:focus-visible {
  box-shadow: 0 0 0 2px rgba(0, 102, 255, .55);
}

.page-disclaimer .disc-note__mark {
  margin: 0 0 6px;
  font-size: 10px;
  letter-spacing: .22em;
  color: var(--turf);
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .disc-note:hover .disc-note__mark,
.page-disclaimer .disc-note:focus-visible .disc-note__mark {
  color: var(--neon);
}

.page-disclaimer .disc-note__text {
  margin: 0;
  font-size: 13px;
  line-height: 1.66;
  color: var(--muted);
}

.page-disclaimer .disc-note__more {
  margin: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 13px;
  line-height: 1.66;
  color: var(--muted);
  transition: max-height var(--dur) var(--ease), opacity var(--dur) var(--ease), margin-top var(--dur) var(--ease);
}

.page-disclaimer .disc-note:hover .disc-note__more,
.page-disclaimer .disc-note:focus-visible .disc-note__more,
.page-disclaimer .disc-note:focus-within .disc-note__more {
  max-height: 8em;
  opacity: 1;
  margin-top: 6px;
}

/* 联系信息表 */
.page-disclaimer .disc-contact {
  margin: 24px 0 0;
  border: var(--disc-line);
  background: var(--ink-800);
  display: grid;
  grid-template-columns: 1fr;
}

.page-disclaimer .disc-contact dt {
  margin: 0;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--turf);
  background: rgba(0, 168, 107, .07);
  border-bottom: var(--disc-line-soft);
}

.page-disclaimer .disc-contact dd {
  margin: 0;
  padding: 12px 16px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--chalk);
  border-bottom: var(--disc-line-soft);
  word-break: break-word;
}

.page-disclaimer .disc-contact dt:last-of-type,
.page-disclaimer .disc-contact dd:last-of-type {
  border-bottom: 0;
}

.page-disclaimer .disc-inline-note {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--muted);
}

.page-disclaimer .disc-inline-note a {
  color: var(--muted);
  border-bottom: 1px solid var(--ink-600);
}

.page-disclaimer .disc-inline-note a:hover,
.page-disclaimer .disc-inline-note a:focus-visible {
  color: var(--neon);
  border-color: var(--neon);
}

/* 返回顶部 */
.page-disclaimer .disc-back {
  margin: 30px 0 0;
  padding: 22px 0 clamp(36px, 6vw, 64px);
  border-top: var(--disc-line);
}

.page-disclaimer .disc-back a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .disc-back a:hover,
.page-disclaimer .disc-back a:focus-visible {
  color: var(--neon);
}

.page-disclaimer .disc-back a:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: 4px;
}

/* 窄屏 */
@media (max-width: 619px) {
  .page-disclaimer .disc-sheet {
    margin-left: calc(var(--gutter) * -1);
    margin-right: calc(var(--gutter) * -1);
    border-left: 0;
    border-right: 0;
  }

  .page-disclaimer .disc-clause {
    padding-left: var(--gutter);
    padding-right: var(--gutter);
  }

  .page-disclaimer .disc-band__cap {
    right: 12px;
    bottom: 10px;
    font-size: 10px;
    letter-spacing: .16em;
  }

  .page-disclaimer .disc-contact dt {
    padding: 10px 14px;
  }

  .page-disclaimer .disc-contact dd {
    padding: 10px 14px;
    font-size: 14px;
  }
}

/* 中等屏 */
@media (min-width: 620px) {
  .page-disclaimer .disc-toc__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px 12px;
  }
}

@media (min-width: 720px) {
  .page-disclaimer .disc-contact {
    grid-template-columns: 148px minmax(0, 1fr);
  }

  .page-disclaimer .disc-contact dt {
    border-bottom: var(--disc-line-soft);
    border-right: var(--disc-line-soft);
  }
}

/* 宽屏：悬挂注释与正文错位 */
@media (min-width: 1024px) {
  .page-disclaimer .disc-clause {
    display: grid;
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 0 52px;
    align-items: start;
  }

  .page-disclaimer .disc-note {
    margin-bottom: 0;
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-disclaimer .disc-clause__body {
    border-left: var(--disc-line);
    padding-left: clamp(24px, 3vw, 40px);
  }

  .page-disclaimer .disc-toc__list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-note__more,
  .page-disclaimer .disc-toc__link,
  .page-disclaimer .disc-note {
    transition: none;
  }
}
<<<END>>>