/* ===== page-disclaimer 专属样式 ===== */
.page-disclaimer {
  --pd-red: #E63946;
  --pd-blue: #1D3557;
  --pd-gold: #F4A261;
  --pd-dark: #121212;
  --pd-cream: #F1FAEE;
  --pd-brown: #2B2D42;
  --pd-red-dark: #A62C3B;
  --pd-radius-sm: 8px;
  --pd-radius-md: 16px;
  --pd-radius-lg: 32px;
  --pd-radius-pill: 9999px;
  --pd-transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --pd-shadow-card: 0 4px 20px rgba(0,0,0,0.3);
  --pd-border-glow: 0 0 0 1px rgba(230,57,70,0.15);

  position: relative;
  color: var(--pd-cream);
  padding: 2rem 1rem 4rem;
  min-height: 100vh;
  overflow-x: hidden;
}

.page-disclaimer__backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: var(--pd-dark);
  background-image:
    radial-gradient(circle at 20% 30%, rgba(29,53,87,0.3) 0%, transparent 60%),
    radial-gradient(circle at 80% 70%, rgba(230,57,70,0.08) 0%, transparent 50%);
  pointer-events: none;
}

.page-disclaimer__container {
  position: relative;
  z-index: 1;
  max-width: 880px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* 面包屑 */
.page-disclaimer .breadcrumb {
  margin-bottom: 2rem;
  padding: 0.5rem 0;
}
.page-disclaimer .breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.25rem;
  padding: 0;
  margin: 0;
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(241,250,238,0.55);
}
.page-disclaimer .breadcrumb ol li {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.page-disclaimer .breadcrumb ol li + li::before {
  content: "›";
  margin-right: 0.25rem;
  color: var(--pd-gold);
  font-size: 1.1rem;
  line-height: 1;
}
.page-disclaimer .breadcrumb a {
  color: var(--pd-gold);
  text-decoration: none;
  transition: color var(--pd-transition);
  border-bottom: 1px solid transparent;
}
.page-disclaimer .breadcrumb a:hover {
  color: var(--pd-red);
  border-bottom-color: var(--pd-red);
}
.page-disclaimer .breadcrumb [aria-current="page"] {
  color: var(--pd-cream);
  opacity: 0.7;
}

/* 头部 */
.page-disclaimer__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 2.5rem;
  padding: 1rem 0 1.5rem;
  border-bottom: 2px solid rgba(230,57,70,0.2);
  position: relative;
}
.page-disclaimer__header::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 20%;
  width: 60%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--pd-red), var(--pd-gold), transparent);
  border-radius: 2px;
}
.page-disclaimer__header-icon {
  margin-bottom: 1rem;
  filter: drop-shadow(0 0 12px rgba(230,57,70,0.3));
  animation: pd-float 4s ease-in-out infinite;
}
@keyframes pd-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}
.page-disclaimer__header-icon img {
  display: block;
  width: 60px;
  height: 60px;
}
.page-disclaimer__title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--pd-cream);
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--pd-cream) 40%, var(--pd-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-disclaimer__subtitle {
  font-size: 1rem;
  color: rgba(241,250,238,0.65);
  margin: 0 0 0.4rem;
  font-weight: 400;
  letter-spacing: 0.02em;
}
.page-disclaimer__effective {
  font-size: 0.85rem;
  color: var(--pd-gold);
  opacity: 0.8;
  margin: 0;
  font-weight: 500;
  letter-spacing: 0.03em;
}

/* 简介 */
.page-disclaimer__intro {
  margin-bottom: 2.5rem;
  padding: 0 0.5rem;
}
.page-disclaimer__intro p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(241,250,238,0.8);
  margin: 0;
  padding: 1rem 1.25rem;
  background: rgba(29,53,87,0.25);
  border-radius: var(--pd-radius-md);
  border-left: 4px solid var(--pd-red);
  backdrop-filter: blur(4px);
}

/* 条款区块 */
.page-disclaimer__sections {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.page-disclaimer__section {
  background: rgba(29,53,87,0.15);
  border-radius: var(--pd-radius-md);
  border: 1px solid rgba(230,57,70,0.12);
  overflow: hidden;
  backdrop-filter: blur(4px);
  transition: border-color var(--pd-transition), box-shadow var(--pd-transition);
}
.page-disclaimer__section:hover {
  border-color: rgba(230,57,70,0.3);
  box-shadow: 0 0 0 1px rgba(230,57,70,0.08);
}

.page-disclaimer__section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  user-select: none;
  transition: background var(--pd-transition);
  position: relative;
}
.page-disclaimer__section-header:hover {
  background: rgba(230,57,70,0.06);
}
.page-disclaimer__section-header:focus-visible {
  outline: 2px solid var(--pd-gold);
  outline-offset: -2px;
  border-radius: var(--pd-radius-md);
}

.page-disclaimer__section-num {
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--pd-red);
  opacity: 0.7;
  line-height: 1;
  min-width: 2rem;
  font-feature-settings: "tnum";
}

.page-disclaimer__section-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--pd-cream);
  margin: 0;
  flex: 1;
  letter-spacing: -0.01em;
}

.page-disclaimer__section-indicator {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  position: relative;
  transition: transform var(--pd-transition);
}
.page-disclaimer__section-indicator::before,
.page-disclaimer__section-indicator::after {
  content: "";
  position: absolute;
  background: var(--pd-gold);
  border-radius: 2px;
  transition: transform var(--pd-transition);
}
.page-disclaimer__section-indicator::before {
  top: 50%;
  left: 4px;
  right: 4px;
  height: 2px;
  transform: translateY(-50%);
}
.page-disclaimer__section-indicator::after {
  top: 4px;
  left: 50%;
  bottom: 4px;
  width: 2px;
  transform: translateX(-50%);
}

/* 展开状态 */
.page-disclaimer__section-header[aria-expanded="true"] .page-disclaimer__section-indicator {
  transform: rotate(45deg);
}
.page-disclaimer__section-header[aria-expanded="true"] .page-disclaimer__section-indicator::after {
  transform: translateX(-50%) scaleY(0);
}

.page-disclaimer__section-body {
  transition: max-height 0.4s ease, opacity 0.35s ease, padding 0.35s ease;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  padding: 0 1.5rem;
}
.page-disclaimer__section-body[hidden] {
  display: block;
  max-height: 0;
  opacity: 0;
  padding: 0 1.5rem;
}
.page-disclaimer__section-body:not([hidden]) {
  max-height: 600px;
  opacity: 1;
  padding: 0 1.5rem 1.5rem;
}

.page-disclaimer__card {
  background: rgba(18,18,18,0.5);
  border-radius: var(--pd-radius-sm);
  padding: 1.25rem 1.5rem;
  border: 1px solid rgba(244,162,97,0.08);
  backdrop-filter: blur(4px);
}
.page-disclaimer__card p {
  margin: 0 0 0.75rem;
  line-height: 1.75;
  color: rgba(241,250,238,0.82);
  font-size: 0.95rem;
}
.page-disclaimer__card p:last-child {
  margin-bottom: 0;
}
.page-disclaimer__card p strong {
  color: var(--pd-gold);
  font-weight: 700;
}

/* 底部附加区块 */
.page-disclaimer__extra {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.page-disclaimer__card--note {
  border-left: 4px solid var(--pd-gold);
  background: rgba(244,162,97,0.06);
}
.page-disclaimer__card--note p {
  color: rgba(241,250,238,0.75);
  font-size: 0.92rem;
}
.page-disclaimer__card--links {
  border-left: 4px solid var(--pd-red);
  background: rgba(230,57,70,0.04);
}
.page-disclaimer__card--links p {
  font-weight: 600;
  color: var(--pd-cream);
  margin-bottom: 0.5rem;
}
.page-disclaimer__card--links ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.page-disclaimer__card--links li {
  margin: 0;
}
.page-disclaimer__card--links a {
  color: var(--pd-gold);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 2px solid transparent;
  transition: border-color var(--pd-transition), color var(--pd-transition);
  padding-bottom: 2px;
}
.page-disclaimer__card--links a:hover {
  color: var(--pd-red);
  border-bottom-color: var(--pd-red);
}

/* 页脚联络 */
.page-disclaimer__footer-note {
  text-align: center;
  padding: 1.5rem 0 0;
  border-top: 1px solid rgba(244,162,97,0.1);
}
.page-disclaimer__footer-note p {
  margin: 0;
  font-size: 0.9rem;
  color: rgba(241,250,238,0.55);
}
.page-disclaimer__footer-note a {
  color: var(--pd-gold);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--pd-transition);
}
.page-disclaimer__footer-note a:hover {
  color: var(--pd-red);
}

/* ===== 响应式 ===== */
@media (max-width: 640px) {
  .page-disclaimer {
    padding: 1rem 0.5rem 3rem;
  }
  .page-disclaimer__container {
    padding: 0 0.5rem;
  }
  .page-disclaimer__header {
    padding: 0.5rem 0 1rem;
    margin-bottom: 1.5rem;
  }
  .page-disclaimer__title {
    font-size: 1.8rem;
  }
  .page-disclaimer__subtitle {
    font-size: 0.85rem;
  }
  .page-disclaimer__section-header {
    padding: 1rem 1rem;
    gap: 0.75rem;
  }
  .page-disclaimer__section-title {
    font-size: 1.05rem;
  }
  .page-disclaimer__section-num {
    font-size: 1rem;
    min-width: 1.6rem;
  }
  .page-disclaimer__section-body:not([hidden]) {
    padding: 0 1rem 1rem;
  }
  .page-disclaimer__card {
    padding: 1rem 1.1rem;
  }
  .page-disclaimer__card p {
    font-size: 0.9rem;
    line-height: 1.65;
  }
  .page-disclaimer__intro p {
    font-size: 0.92rem;
    padding: 0.85rem 1rem;
  }
  .page-disclaimer__header-icon img {
    width: 48px;
    height: 48px;
  }
  .page-disclaimer__card--links ul {
    flex-direction: column;
    gap: 0.5rem;
  }
  .page-disclaimer__extra {
    gap: 1rem;
  }
  .page-disclaimer .breadcrumb {
    margin-bottom: 1.25rem;
  }
  .page-disclaimer .breadcrumb ol {
    font-size: 0.78rem;
  }
}

@media (min-width: 641px) and (max-width: 1024px) {
  .page-disclaimer {
    padding: 1.5rem 1.5rem 3.5rem;
  }
  .page-disclaimer__container {
    max-width: 720px;
  }
  .page-disclaimer__title {
    font-size: 2.6rem;
  }
}

@media (min-width: 1025px) {
  .page-disclaimer__container {
    padding: 0 2rem;
  }
  .page-disclaimer__sections {
    gap: 1.5rem;
  }
  .page-disclaimer__section-header {
    padding: 1.5rem 2rem;
  }
  .page-disclaimer__section-body:not([hidden]) {
    padding: 0 2rem 1.75rem;
  }
  .page-disclaimer__card {
    padding: 1.5rem 2rem;
  }
  .page-disclaimer__extra {
    flex-direction: row;
    gap: 1.5rem;
  }
  .page-disclaimer__extra .page-disclaimer__card {
    flex: 1;
  }
}

/* ===== 渐进增强：无JS时可读 ===== */
.page-disclaimer__section-body[hidden] {
  display: block;
  max-height: 0;
  opacity: 0;
  padding: 0 1.5rem;
  overflow: hidden;
}
.page-disclaimer__section-body:not([hidden]) {
  max-height: 600px;
  opacity: 1;
  padding: 0 1.5rem 1.5rem;
}
/* 无JS时默认全部展开 */
.no-js .page-disclaimer__section-body,
.page-disclaimer__section-body:not([hidden]) {
  max-height: none;
  opacity: 1;
  padding: 0 1.5rem 1.5rem;
}
.no-js .page-disclaimer__section-indicator {
  display: none;
}