.page-disclaimer {
  --disc-rule: #2B3446;
  --disc-key-line: #E10600;
  --disc-key-bg: rgba(225, 6, 0, 0.08);
  --disc-blue-bg: rgba(0, 87, 255, 0.08);
  display: block;
  position: relative;
  isolation: isolate;
}

.page-disclaimer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 520px;
  z-index: -1;
  background:
    radial-gradient(680px 320px at 12% -8%, rgba(0, 87, 255, 0.20), transparent 70%),
    radial-gradient(560px 300px at 88% 4%, rgba(225, 6, 0, 0.16), transparent 72%);
  pointer-events: none;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-hero {
  display: grid;
  gap: 28px;
  padding-top: 20px;
  padding-bottom: 36px;
}

.page-disclaimer .disc-hero__copy {
  max-width: 62ch;
}

.page-disclaimer .disc-hero h1 {
  margin: 14px 0 18px;
  font-family: var(--rb-font-body);
  font-weight: 900;
  font-size: clamp(28px, 5.4vw, 46px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--rb-cream);
}

.page-disclaimer .disc-hero__lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--rb-body-text);
}

.page-disclaimer .disc-hero__art {
  margin: 0;
  position: relative;
  overflow: hidden;
  border-radius: var(--rb-radius);
  border: 1px solid var(--rb-stone);
  background: linear-gradient(150deg, #0B0E14 0%, #151A23 100%);
}

.page-disclaimer .disc-hero__art::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(139, 148, 166, 0.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139, 148, 166, 0.10) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.page-disclaimer .disc-hero__art img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  opacity: 0.92;
}

/* ---------- 双栏结构 ---------- */
.page-disclaimer .disc-layout {
  display: grid;
  gap: 32px;
  padding-bottom: 88px;
}

.page-disclaimer .disc-index {
  align-self: start;
  padding: 22px 22px 20px;
  border: 1px solid var(--rb-stone);
  border-radius: var(--rb-radius);
  background: var(--rb-panel);
}

.page-disclaimer .disc-index__title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rb-mist);
}

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

.page-disclaimer .disc-index__list a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--rb-radius-sm);
  color: var(--rb-body-text);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  border-left: 2px solid transparent;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.page-disclaimer .disc-index__list a:hover,
.page-disclaimer .disc-index__list a:focus-visible {
  background: rgba(0, 87, 255, 0.14);
  border-left-color: var(--rb-blue-hi);
  color: var(--rb-cream);
}

.page-disclaimer .disc-index__no {
  flex: 0 0 auto;
  font-size: 14px;
  color: var(--rb-blue-hi);
}

.page-disclaimer .disc-index__no--key {
  color: var(--rb-red-hi);
}

.page-disclaimer .disc-index__foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--rb-stone);
  font-size: 13px;
  line-height: 1.7;
  color: var(--rb-mist);
}

.page-disclaimer .disc-index__foot a {
  color: var(--rb-blue-hi);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 条款条目 ---------- */
.page-disclaimer .disc-body {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-disclaimer .disc-clause {
  padding: 30px 0 34px;
  border-top: 1px solid var(--disc-rule);
  scroll-margin-top: 140px;
}

.page-disclaimer .disc-clause:first-child {
  border-top: none;
  padding-top: 0;
}

.page-disclaimer .disc-clause:target {
  outline: 1px solid var(--rb-blue-hi);
  outline-offset: 10px;
  border-radius: var(--disc-radius, 8px);
}

.page-disclaimer .disc-clause__head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 16px;
}

.page-disclaimer .disc-clause__no {
  flex: 0 0 auto;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--rb-blue-hi);
  opacity: 0.85;
}

.page-disclaimer .disc-clause h2 {
  margin: 0;
  font-family: var(--rb-font-body);
  font-weight: 900;
  font-size: clamp(19px, 2.6vw, 26px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--rb-cream);
}

/* 关键限制条款 */
.page-disclaimer .disc-clause--key {
  margin: 8px 0 0;
  padding: 26px 24px 30px;
  border-top: 1px solid var(--disc-rule);
  border-left: 3px solid var(--disc-key-line);
  border-radius: 0 var(--rb-radius) var(--rb-radius) 0;
  background: linear-gradient(90deg, var(--disc-key-bg) 0%, rgba(225, 6, 0, 0) 68%);
}

.page-disclaimer .disc-clause--key .disc-clause__no {
  color: var(--rb-red-hi);
  opacity: 1;
}

/* 折叠补充说明 */
.page-disclaimer .disc-details {
  margin-top: 20px;
  padding: 0 18px;
  border: 1px solid var(--rb-stone);
  border-radius: var(--rb-radius-sm);
  background: rgba(21, 26, 35, 0.75);
}

.page-disclaimer .disc-details--key {
  border-color: rgba(225, 6, 0, 0.40);
  background: rgba(122, 3, 0, 0.16);
}

.page-disclaimer .disc-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--rb-cream);
}

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

.page-disclaimer .disc-details summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--rb-font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--rb-mist);
}

.page-disclaimer .disc-details[open] summary::after {
  content: "−";
  color: var(--rb-blue-hi);
}

.page-disclaimer .disc-details summary:focus-visible {
  outline: 2px solid var(--rb-blue-hi);
  outline-offset: 4px;
  border-radius: 4px;
}

.page-disclaimer .disc-details .rb-prose {
  padding-bottom: 16px;
}

/* ---------- 联系信息 ---------- */
.page-disclaimer .disc-contact {
  margin: 20px 0 0;
  display: grid;
  gap: 0;
  border: 1px solid var(--rb-stone);
  border-radius: var(--rb-radius-sm);
  overflow: hidden;
  background: var(--rb-panel);
}

.page-disclaimer .disc-contact li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 18px;
  padding: 14px 18px;
  border-top: 1px solid var(--rb-stone);
  font-size: 15px;
  color: var(--rb-body-text);
}

.page-disclaimer .disc-contact li:first-child {
  border-top: none;
}

.page-disclaimer .disc-contact__key {
  flex: 0 0 88px;
  font-size: 12px;
  letter-spacing: 0.10em;
  color: var(--rb-mist);
}

.page-disclaimer .disc-contact a {
  color: var(--rb-blue-hi);
  text-decoration: none;
  word-break: break-all;
}

.page-disclaimer .disc-contact a:hover,
.page-disclaimer .disc-contact a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .disc-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--rb-mist);
}

.page-disclaimer .disc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-disclaimer .disc-hero {
    padding-top: 32px;
    padding-bottom: 48px;
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .disc-hero {
    grid-template-columns: 1.05fr 1fr;
    align-items: center;
    gap: 52px;
    padding-top: 44px;
    padding-bottom: 64px;
  }

  .page-disclaimer .disc-layout {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: 56px;
    padding-bottom: 104px;
  }

  .page-disclaimer .disc-index {
    position: sticky;
    top: 128px;
  }

  .page-disclaimer .disc-clause {
    padding: 38px 0 42px;
  }

  .page-disclaimer .disc-clause--key {
    padding: 32px 30px 36px;
  }
}

@media (min-width: 1240px) {
  .page-disclaimer .disc-layout {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-index__list a {
    transition: none;
  }
}
<<<END>>>

.page-disclaimer {
  --disc-radius: var(--rb-radius);
}