.page-disclaimer {
  --disc-line: rgba(10, 42, 94, 0.13);
  --disc-line-soft: rgba(10, 42, 94, 0.07);
  --disc-card: #ffffff;
  background: var(--bb-mist);
  color: var(--bb-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  overflow-x: hidden;
}

.page-disclaimer [data-section] {
  scroll-margin-top: 92px;
}

/* ---------- 顶部横幅 ---------- */
.page-disclaimer .disc-banner {
  position: relative;
  background: var(--bb-navy);
  color: var(--bb-mist);
  overflow: hidden;
}

.page-disclaimer .disc-banner__media {
  position: absolute;
  inset: 0;
}

.page-disclaimer .disc-banner__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
  filter: saturate(0.45) brightness(0.92);
}

.page-disclaimer .disc-banner__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(132deg, rgba(10, 42, 94, 0.96) 0%, rgba(10, 42, 94, 0.84) 46%, rgba(18, 22, 28, 0.92) 100%),
    repeating-linear-gradient(24deg, rgba(201, 210, 220, 0.08) 0 1px, transparent 1px 14px);
}

.page-disclaimer .disc-banner__inner {
  position: relative;
  z-index: 1;
  padding: 44px 0 46px;
}

.page-disclaimer .disc-banner .breadcrumb {
  margin: 0 0 26px;
}

.page-disclaimer .disc-banner .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0 10px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-narrow);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(201, 210, 220, 0.78);
}

.page-disclaimer .disc-banner .breadcrumb li + li::before {
  content: "/";
  margin-right: 10px;
  color: rgba(201, 210, 220, 0.42);
}

.page-disclaimer .disc-banner .breadcrumb a {
  color: rgba(244, 246, 249, 0.92);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .disc-banner .breadcrumb a:hover,
.page-disclaimer .disc-banner .breadcrumb a:focus-visible {
  color: #fff;
  border-bottom-color: var(--bb-amber);
}

.page-disclaimer .disc-banner__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-narrow);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bb-amber);
}

.page-disclaimer .disc-banner h1 {
  margin: 0 0 20px;
  font-family: var(--font-serif);
  font-size: clamp(30px, 7vw, 54px);
  font-weight: 600;
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: #fff;
}

.page-disclaimer .disc-banner__lede {
  margin: 0;
  max-width: 44em;
  font-size: 15.5px;
  line-height: 1.92;
  color: rgba(244, 246, 249, 0.86);
}

/* ---------- 条款目录 ---------- */
.page-disclaimer .disc-index {
  background: var(--bb-pale);
  border-bottom: 1px solid var(--disc-line);
}

.page-disclaimer .disc-index .anchor-index {
  padding: 30px 0 34px;
}

.page-disclaimer .anchor-index__title {
  margin: 0 0 18px;
  font-family: var(--font-narrow);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bb-ink-soft);
}

.page-disclaimer .disc-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 32px;
}

.page-disclaimer .disc-index__list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 4px 11px 0;
  font-size: 15px;
  color: var(--bb-navy);
  text-decoration: none;
  border-bottom: 1px solid var(--disc-line-soft);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-disclaimer .disc-index__list a .mono {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--bb-blue);
}

.page-disclaimer .disc-index__list a:hover,
.page-disclaimer .disc-index__list a:focus-visible {
  color: var(--bb-blue);
  border-bottom-color: var(--bb-blue);
  transform: translateX(4px);
}

/* ---------- 正文条款 ---------- */
.page-disclaimer .disc-body {
  padding: 44px 0 8px;
}

.page-disclaimer .disc-body__inner {
  display: grid;
  gap: 22px;
}

.page-disclaimer .disc-clause {
  position: relative;
  background: var(--disc-card);
  border: 1px solid var(--disc-line);
  padding: 26px 20px 22px;
  clip-path: polygon(22px 0, 100% 0, 100% 100%, 0 100%, 0 22px);
}

.page-disclaimer .disc-clause__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--disc-line);
}

.page-disclaimer .disc-clause__num {
  flex: none;
  padding: 7px 9px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.06em;
  color: #fff;
  background: var(--bb-blue);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%);
}

.page-disclaimer .disc-clause__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.42;
  letter-spacing: -0.01em;
  color: var(--bb-ink);
}

.page-disclaimer .disc-clause__conclusion {
  margin: 0 0 16px;
  padding: 14px 16px;
  border-left: 3px solid var(--bb-amber);
  background: linear-gradient(90deg, rgba(255, 138, 61, 0.11), rgba(255, 138, 61, 0));
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.82;
  color: var(--bb-navy);
}

.page-disclaimer .disc-clause .collapse {
  border-top: 1px dashed var(--disc-line);
  padding-top: 10px;
}

.page-disclaimer .disc-clause .collapse__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  margin: 0;
  padding: 9px 0;
  background: none;
  border: 0;
  font-family: var(--font-narrow);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bb-ink-soft);
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .disc-clause .collapse__head:hover,
.page-disclaimer .disc-clause .collapse__head:focus-visible {
  color: var(--bb-blue);
}

.page-disclaimer .disc-clause .collapse__head::after {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform var(--dur) var(--ease);
}

.page-disclaimer .disc-clause .collapse__head[aria-expanded="true"]::after {
  transform: rotate(-135deg) translate(-1px, -1px);
}

.page-disclaimer .disc-clause .collapse__body {
  padding: 6px 0 2px;
}

.page-disclaimer .disc-terms {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .disc-terms > li {
  position: relative;
  padding: 10px 0 10px 44px;
  border-bottom: 1px dotted var(--disc-line);
  font-size: 15px;
  line-height: 1.86;
  color: var(--bb-ink);
}

.page-disclaimer .disc-terms > li:last-child {
  border-bottom: 0;
}

.page-disclaimer .disc-terms__no {
  position: absolute;
  left: 0;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--bb-blue);
}

.page-disclaimer .disc-terms a {
  color: var(--bb-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 95, 255, 0.35);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .disc-terms a:hover,
.page-disclaimer .disc-terms a:focus-visible {
  color: var(--bb-navy);
  border-bottom-color: var(--bb-amber);
}

/* ---------- 斜线分隔带 ---------- */
.page-disclaimer .disc-divider {
  height: 44px;
  margin: 4px 0;
  background-image:
    repeating-linear-gradient(-24deg, rgba(11, 95, 255, 0.2) 0 6px, transparent 6px 16px),
    linear-gradient(90deg, rgba(10, 42, 94, 0.05), rgba(11, 95, 255, 0.05));
  clip-path: polygon(0 0, 100% 14px, 100% 100%, 0 calc(100% - 14px));
}

/* ---------- 相关页面 ---------- */
.page-disclaimer .disc-links {
  padding: 6px 0 56px;
}

.page-disclaimer .disc-links__inner {
  display: grid;
  gap: 14px;
}

.page-disclaimer .disc-links__item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 2px 14px;
  padding: 18px 20px;
  background: var(--bb-navy);
  color: var(--bb-mist);
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-disclaimer .disc-links__item .mono {
  grid-row: span 2;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--bb-amber);
}

.page-disclaimer .disc-links__item strong {
  font-family: var(--font-narrow);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #fff;
}

.page-disclaimer .disc-links__item span:last-child {
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(201, 210, 220, 0.84);
}

.page-disclaimer .disc-links__item:hover,
.page-disclaimer .disc-links__item:focus-visible {
  background: var(--bb-blue);
  transform: translateY(-3px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .disc-banner__inner {
    padding: 64px 0 62px;
  }

  .page-disclaimer .disc-banner__lede {
    font-size: 17px;
  }

  .page-disclaimer .disc-clause {
    padding: 30px 28px 26px;
  }

  .page-disclaimer .disc-clause__title {
    font-size: 21px;
  }

  .page-disclaimer .disc-terms > li {
    padding-left: 56px;
  }
}

@media (min-width: 760px) {
  .page-disclaimer .disc-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-disclaimer .disc-links__inner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .disc-index__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .disc-body {
    padding: 56px 0 12px;
  }

  .page-disclaimer .disc-body__inner {
    gap: 26px;
  }

  .page-disclaimer .disc-clause {
    padding: 34px 44px 30px;
  }

  .page-disclaimer .disc-clause__num {
    font-size: 16px;
    padding: 8px 11px;
  }

  .page-disclaimer .disc-clause__title {
    font-size: 23px;
  }

  .page-disclaimer .disc-clause__conclusion {
    padding: 16px 22px;
    font-size: 16px;
  }

  .page-disclaimer .disc-clause .collapse__head {
    letter-spacing: 0.18em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-index__list a,
  .page-disclaimer .disc-clause .collapse__head,
  .page-disclaimer .disc-clause .collapse__head::after,
  .page-disclaimer .disc-links__item {
    transition: none;
  }

  .page-disclaimer .disc-index__list a:hover,
  .page-disclaimer .disc-links__item:hover {
    transform: none;
  }
}