/* ===== page-disclaimer 专属样式 ===== */
.page-disclaimer {
  --disclaimer-paper-bg: rgba(26, 42, 64, 0.85);
  --disclaimer-paper-border: rgba(192, 192, 192, 0.25);
  --disclaimer-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  --disclaimer-radius: 6px;
  --disclaimer-gap: 1.5rem;
  display: block;
  width: 100%;
  background: var(--gradient-bg, linear-gradient(135deg, #0A1628, #1A2A40));
  color: var(--color-white, #FFFFFF);
  font-family: var(--font-body, 'Source Sans Pro', 'Segoe UI', Arial, sans-serif);
  line-height: 1.7;
  padding: 2rem 0 3rem;
}

/* 容器复用全局 .container，这里补充间距微调 */
.page-disclaimer .container {
  max-width: var(--container-max, 1200px);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ===== 面包屑 ===== */
.page-disclaimer__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--color-text-secondary, #B0B0B0);
  margin-bottom: 0.8rem;
  letter-spacing: 0.02em;
}
.page-disclaimer__breadcrumb a {
  color: var(--color-silver, #C0C0C0);
  text-decoration: none;
  transition: color var(--transition-fast, 0.2s ease);
}
.page-disclaimer__breadcrumb a:hover,
.page-disclaimer__breadcrumb a:focus-visible {
  color: var(--color-primary, #FF6600);
  outline: none;
}
.page-disclaimer__breadcrumb-sep {
  color: var(--color-text-secondary, #B0B0B0);
  opacity: 0.5;
}

/* ===== 首屏 ===== */
.page-disclaimer__intro {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-top: 1.5rem;
  padding-bottom: 2.5rem;
  position: relative;
}
.page-disclaimer__intro::after {
  content: '';
  display: block;
  width: 60%;
  height: var(--slash-height, 8px);
  background: var(--gradient-orange, linear-gradient(135deg, #FF6600, #CC5500));
  margin-top: 1rem;
  clip-path: polygon(0 0, 100% 0, calc(100% - 30px) 100%, 0 100%);
}
.page-disclaimer__intro-text {
  flex: 1 1 auto;
}
.page-disclaimer__title {
  font-family: var(--font-heading, Montserrat, 'Arial Black', Arial, sans-serif);
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1.15;
  margin: 0 0 0.6rem;
  color: var(--color-white, #FFFFFF);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #FF6600, #FF8C33);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.page-disclaimer__subtitle {
  font-size: 1.05rem;
  color: var(--color-text-secondary, #B0B0B0);
  max-width: 42ch;
  margin: 0;
  line-height: 1.6;
}
.page-disclaimer__intro-media {
  flex: 0 0 auto;
  position: relative;
  align-self: flex-start;
}
.page-disclaimer__intro-img {
  display: block;
  width: 100%;
  max-width: 600px;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border-radius: var(--disclaimer-radius, 6px);
  border: 1px solid var(--disclaimer-paper-border);
  box-shadow: var(--disclaimer-shadow);
  background: var(--color-bg-medium, #1A2A40);
}

/* ===== 手风琴区 ===== */
.page-disclaimer__content {
  display: flex;
  flex-direction: column;
  gap: var(--disclaimer-gap, 1.5rem);
  padding-top: 0.5rem;
  padding-bottom: 2rem;
}

/* 每个手风琴 – 纸张叠层 */
.page-disclaimer__accordion {
  display: block;
  width: 100%;
  background: var(--disclaimer-paper-bg);
  border: 1px solid var(--disclaimer-paper-border);
  border-radius: var(--disclaimer-radius, 6px);
  box-shadow: var(--disclaimer-shadow);
  transition: border-color var(--transition-medium, 0.35s ease), box-shadow var(--transition-medium, 0.35s ease);
  overflow: hidden;
  position: relative;
}
.page-disclaimer__accordion::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-orange, linear-gradient(135deg, #FF6600, #CC5500));
  opacity: 0.6;
  transition: opacity var(--transition-medium, 0.35s ease);
}
.page-disclaimer__accordion[open]::before {
  opacity: 1;
}
.page-disclaimer__accordion:hover,
.page-disclaimer__accordion:focus-within {
  border-color: rgba(192, 192, 192, 0.5);
  box-shadow: 0 6px 32px rgba(0, 0, 0, 0.4);
}

/* summary – 点击标题条 */
.page-disclaimer__accordion-summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 1.5rem 1.25rem 1.75rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
  -webkit-user-select: none;
  position: relative;
  transition: background var(--transition-fast, 0.2s ease);
}
.page-disclaimer__accordion-summary::-webkit-details-marker {
  display: none;
}
.page-disclaimer__accordion-summary:hover {
  background: rgba(255, 102, 0, 0.06);
}
.page-disclaimer__accordion-summary:focus-visible {
  outline: 2px solid var(--color-primary, #FF6600);
  outline-offset: -2px;
  border-radius: var(--disclaimer-radius, 6px) var(--disclaimer-radius, 6px) 0 0;
}

/* 序号标签 */
.page-disclaimer__accordion-tag {
  flex: 0 0 auto;
  font-family: var(--font-heading, Montserrat, 'Arial Black', Arial, sans-serif);
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--color-primary, #FF6600);
  color: var(--color-primary, #FF6600);
  background: transparent;
  border-radius: 3px;
  letter-spacing: 0.05em;
  line-height: 1.4;
}

/* 手风琴标题 */
.page-disclaimer__accordion-heading {
  font-family: var(--font-heading, Montserrat, 'Arial Black', Arial, sans-serif);
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
  color: var(--color-white, #FFFFFF);
  line-height: 1.3;
  flex: 1 1 auto;
}

/* 展开图标 */
.page-disclaimer__accordion-icon {
  flex: 0 0 auto;
  width: 1.25rem;
  height: 1.25rem;
  position: relative;
  transition: transform var(--transition-medium, 0.35s ease);
}
.page-disclaimer__accordion-icon::before,
.page-disclaimer__accordion-icon::after {
  content: '';
  position: absolute;
  background: var(--color-silver, #C0C0C0);
  border-radius: 2px;
  transition: transform var(--transition-medium, 0.35s ease), opacity var(--transition-medium, 0.35s ease);
}
.page-disclaimer__accordion-icon::before {
  width: 2px;
  height: 100%;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}
.page-disclaimer__accordion-icon::after {
  width: 100%;
  height: 2px;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}
.page-disclaimer__accordion[open] .page-disclaimer__accordion-icon {
  transform: rotate(45deg);
}
.page-disclaimer__accordion[open] .page-disclaimer__accordion-icon::before {
  opacity: 0;
}

/* 内容体 – 纸张叠层核心 */
.page-disclaimer__accordion-body {
  padding: 0 1.75rem 1.5rem;
  color: var(--color-text-secondary, #B0B0B0);
  font-size: 0.95rem;
  line-height: 1.75;
  border-top: 1px solid rgba(192, 192, 192, 0.1);
  background: rgba(10, 22, 40, 0.4);
  position: relative;
}
.page-disclaimer__accordion-body::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 1rem;
  right: 1rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(192, 192, 192, 0.15), transparent);
}
.page-disclaimer__accordion-body p {
  margin: 0 0 1rem;
}
.page-disclaimer__accordion-body p:last-child {
  margin-bottom: 0;
}
.page-disclaimer__accordion-body p + p {
  margin-top: 0.6rem;
}

/* ===== 底部元信息 ===== */
.page-disclaimer__meta {
  padding-top: 1.5rem;
  padding-bottom: 1rem;
}
.page-disclaimer__meta-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1.5rem 1.75rem;
  background: rgba(26, 42, 64, 0.5);
  border: 1px solid var(--disclaimer-paper-border);
  border-radius: var(--disclaimer-radius, 6px);
  position: relative;
}
.page-disclaimer__meta-inner::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 2rem;
  right: 2rem;
  height: var(--slash-height, 8px);
  background: var(--gradient-orange, linear-gradient(135deg, #FF6600, #CC5500));
  clip-path: polygon(0 0, 100% 0, calc(100% - 20px) 100%, 20px 100%);
  opacity: 0.6;
}
.page-disclaimer__updated {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.page-disclaimer__updated-tag {
  font-family: var(--font-heading, Montserrat, 'Arial Black', Arial, sans-serif);
  font-weight: 700;
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--color-accent-green, #39FF14);
  color: var(--color-accent-green, #39FF14);
  background: transparent;
  border-radius: 3px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.page-disclaimer__updated-text {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-white, #FFFFFF);
}

/* 内部导航链接 */
.page-disclaimer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
}
.page-disclaimer__nav-link {
  position: relative;
  color: var(--color-silver, #C0C0C0);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.15rem 0;
  transition: color var(--transition-fast, 0.2s ease);
  border-bottom: 1px solid transparent;
}
.page-disclaimer__nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-orange, linear-gradient(135deg, #FF6600, #CC5500));
  transition: width var(--transition-medium, 0.35s ease);
}
.page-disclaimer__nav-link:hover,
.page-disclaimer__nav-link:focus-visible {
  color: var(--color-primary, #FF6600);
  outline: none;
}
.page-disclaimer__nav-link:hover::after,
.page-disclaimer__nav-link:focus-visible::after {
  width: 100%;
}

/* ===== 动效：滚动显现（轻量） ===== */
.page-disclaimer .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.page-disclaimer .reveal--visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .reveal,
  .page-disclaimer .reveal--visible {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .page-disclaimer__accordion-icon {
    transition: none;
  }
  .page-disclaimer__accordion-icon::before,
  .page-disclaimer__accordion-icon::after {
    transition: none;
  }
  .page-disclaimer__nav-link::after {
    transition: none;
  }
}

/* ===== 响应式：桌面端 >= 768px ===== */
@media (min-width: 768px) {
  .page-disclaimer {
    padding: 3rem 0 4rem;
  }
  .page-disclaimer__intro {
    flex-direction: row;
    align-items: center;
    gap: 3rem;
    padding-top: 2rem;
    padding-bottom: 3rem;
  }
  .page-disclaimer__intro::after {
    width: 40%;
    margin-top: 0.5rem;
  }
  .page-disclaimer__intro-text {
    flex: 0 1 55%;
  }
  .page-disclaimer__intro-media {
    flex: 0 1 40%;
  }
  .page-disclaimer__title {
    font-size: 3.6rem;
  }
  .page-disclaimer__subtitle {
    font-size: 1.15rem;
  }
  .page-disclaimer__content {
    padding-top: 1rem;
    padding-bottom: 3rem;
  }
  .page-disclaimer__accordion-summary {
    padding: 1.4rem 2rem 1.4rem 2.25rem;
  }
  .page-disclaimer__accordion-heading {
    font-size: 1.35rem;
  }
  .page-disclaimer__accordion-body {
    padding: 0 2.25rem 1.75rem;
    font-size: 1rem;
  }
  .page-disclaimer__meta-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
  }
  .page-disclaimer__meta-inner::before {
    left: 3rem;
    right: 3rem;
  }
  .page-disclaimer__nav {
    justify-content: flex-end;
  }
}

/* ===== 大桌面端 >= 1024px ===== */
@media (min-width: 1024px) {
  .page-disclaimer__title {
    font-size: 4rem;
  }
  .page-disclaimer__intro {
    gap: 4rem;
  }
  .page-disclaimer__intro-text {
    flex: 0 1 50%;
  }
  .page-disclaimer__intro-media {
    flex: 0 1 45%;
  }
  .page-disclaimer__content {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
  }
  .page-disclaimer__accordion-body {
    padding: 0 2.5rem 2rem;
  }
}

/* ===== 窄屏安全 ===== */
@media (max-width: 420px) {
  .page-disclaimer__title {
    font-size: 2rem;
  }
  .page-disclaimer__accordion-summary {
    padding: 1rem 1rem 1rem 1.25rem;
    gap: 0.5rem;
  }
  .page-disclaimer__accordion-heading {
    font-size: 1.05rem;
  }
  .page-disclaimer__accordion-body {
    padding: 0 1rem 1rem;
    font-size: 0.88rem;
  }
  .page-disclaimer__meta-inner {
    padding: 1.25rem 1rem;
  }
  .page-disclaimer__nav {
    flex-direction: column;
    gap: 0.5rem;
  }
}