/* ===== 三亿体育 · 使用条款页 ===== */
.page-disclaimer {
  background: var(--c-silver);
  color: var(--c-blue);
  font-family: var(--font-body);
}

/* 顶部警示条纹 */
.page-disclaimer .disclaimer-stripe {
  height: 14px;
  border-top: 4px solid var(--c-red);
  border-bottom: 4px solid var(--c-red);
  background: repeating-linear-gradient(
    -45deg,
    var(--c-yellow) 0 14px,
    var(--c-blue) 14px 28px
  );
}

/* 文档标题区 */
.page-disclaimer .disclaimer-hero {
  padding: 1.75rem 0 1.5rem;
  border-bottom: 3px solid var(--c-blue);
}

.page-disclaimer .disclaimer-hero__kicker {
  margin: 1.25rem 0 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--c-red);
  text-transform: uppercase;
}

.page-disclaimer .disclaimer-hero h1 {
  display: inline-block;
  margin: 0;
  padding-bottom: 0.12em;
  border-bottom: 8px solid var(--c-yellow);
  font-family: var(--font-headline);
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  line-height: 0.95;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--c-blue);
}

.page-disclaimer .disclaimer-hero__sub {
  margin: 1rem 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-gray);
}

.page-disclaimer .disclaimer-hero__desc {
  max-width: 52em;
  margin: 0;
  line-height: 1.75;
  color: var(--c-gray);
}

.page-disclaimer .disclaimer-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

/* 页首横幅插图 */
.page-disclaimer .disclaimer-banner {
  max-width: 1200px;
  margin: 0 auto 2rem;
  border-bottom: 4px solid var(--c-blue);
}

.page-disclaimer .disclaimer-banner__img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: cover;
  object-position: center;
}

/* 条款索引 */
.page-disclaimer .disclaimer-index {
  background: var(--c-white);
  border: 3px solid var(--c-blue);
  border-left: 8px solid var(--c-red);
  box-shadow: var(--shadow-card);
  margin-bottom: 2rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .disclaimer-index__list {
  display: flex;
  min-width: max-content;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disclaimer-index__item {
  flex: 1;
}

.page-disclaimer .disclaimer-index__item + .disclaimer-index__item {
  border-left: 2px solid var(--c-frost);
}

.page-disclaimer .disclaimer-index__item a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  padding: 0.9rem 1rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--c-blue);
  text-decoration: none;
  transition: background var(--t-fast), color var(--t-fast);
}

.page-disclaimer .disclaimer-index__item a:hover {
  background: var(--c-yellow);
  color: var(--c-blue);
}

.page-disclaimer .disclaimer-index__num {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-red);
}

/* 条款正文容器 */
.page-disclaimer .disclaimer-body {
  background: var(--c-white);
  border: 3px solid var(--c-blue);
  box-shadow: var(--shadow-card);
  margin-bottom: 2.75rem;
  padding: 1.1rem 1.1rem 0.4rem;
}

/* 条款结构 */
.page-disclaimer .terms-clause {
  padding-bottom: 1.4rem;
  margin-bottom: 1.4rem;
  border-bottom: 4px solid var(--c-red);
}

.page-disclaimer .terms-clause:last-child {
  margin-bottom: 0;
  padding-bottom: 0.35rem;
  border-bottom: 0;
}

.page-disclaimer .terms-clause__head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin: 0;
  padding: 0.6rem 0.25rem;
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .terms-clause__head::-webkit-details-marker {
  display: none;
}

.page-disclaimer .terms-clause__num {
  flex-shrink: 0;
  padding: 0.3rem 0.45rem;
  background: var(--c-yellow);
  border: 3px solid var(--c-red);
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--c-blue);
}

.page-disclaimer .terms-clause__title {
  flex: 1;
  margin: 0;
  font-family: var(--font-headline);
  font-size: 1.35rem;
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--c-blue);
  transition: color var(--t-fast);
}

.page-disclaimer .terms-clause__head:hover .terms-clause__title {
  color: var(--c-red);
}

.page-disclaimer .terms-clause__mark {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.9rem;
  height: 1.9rem;
  border: 2px solid var(--c-blue);
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-blue);
  user-select: none;
  transition: transform var(--t-fast), background var(--t-fast);
}

.page-disclaimer .terms-clause[open] .terms-clause__mark {
  background: var(--c-cyan);
  transform: rotate(45deg);
}

.page-disclaimer .terms-clause__body {
  max-width: 76ch;
  padding: 0.25rem 0.25rem 0;
  color: var(--c-gray);
  line-height: 1.8;
}

.page-disclaimer .terms-clause__body p {
  margin: 0 0 0.9rem;
}

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

.page-disclaimer .terms-clause__body a {
  color: var(--c-blue);
  font-weight: 700;
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
}

.page-disclaimer .terms-clause__body a:hover {
  color: var(--c-red);
}

/* 接受声明 */
.page-disclaimer .disclaimer-acceptance {
  background: var(--c-blue);
  border-top: 10px solid var(--c-yellow);
  border-bottom: 10px solid var(--c-red);
  padding: 2.75rem 0 3.25rem;
  color: var(--c-white);
}

.page-disclaimer .disclaimer-acceptance__inner {
  max-width: 720px;
}

.page-disclaimer .disclaimer-acceptance__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--c-cyan);
  text-transform: uppercase;
}

.page-disclaimer .disclaimer-acceptance h2 {
  margin: 0.5rem 0 0.75rem;
  font-family: var(--font-headline);
  font-size: 2.25rem;
  line-height: 1;
  text-transform: uppercase;
  color: var(--c-white);
}

.page-disclaimer .disclaimer-acceptance p {
  margin: 0 0 1.25rem;
  line-height: 1.75;
  color: var(--c-frost);
}

.page-disclaimer .disclaimer-acceptance__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.page-disclaimer .disclaimer-acceptance__note {
  font-size: 0.88rem;
}

.page-disclaimer .disclaimer-acceptance__note a {
  color: var(--c-yellow);
  font-weight: 700;
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
}

.page-disclaimer .disclaimer-acceptance__note a:hover {
  color: var(--c-cyan);
}

/* 桌面端 */
@media (min-width: 768px) {
  .page-disclaimer .disclaimer-hero {
    padding: 2.25rem 0 2rem;
  }

  .page-disclaimer .disclaimer-hero__kicker {
    margin-top: 1.75rem;
  }

  .page-disclaimer .disclaimer-index__item a {
    flex-direction: row;
    justify-content: center;
    gap: 0.45rem;
    padding: 1rem 1.25rem;
    font-size: 0.95rem;
  }

  .page-disclaimer .disclaimer-body {
    padding: 1.75rem 1.75rem 0.65rem;
  }

  .page-disclaimer .terms-clause {
    padding-bottom: 1.8rem;
    margin-bottom: 1.8rem;
  }

  .page-disclaimer .terms-clause__head {
    padding: 0.75rem 0.35rem;
    gap: 1rem;
  }

  .page-disclaimer .terms-clause__title {
    font-size: 1.65rem;
  }

  .page-disclaimer .terms-clause__body {
    padding-left: 0.35rem;
    font-size: 0.95rem;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .disclaimer-hero__desc {
    font-size: 1.02rem;
  }

  .page-disclaimer .disclaimer-acceptance {
    padding: 3.5rem 0 4rem;
  }

  .page-disclaimer .disclaimer-acceptance h2 {
    font-size: 2.75rem;
  }
}